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Finding the Fourth Proportional to 2,059.67, 3,089.48 and 499.69

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Solution

The fourth proportional to 2,059.67, 3,089.48 and 499.69 is: 749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.67 : 3,089.48 = 499.69 : x
  2. Step 2: Convert to fraction form
    2,059.67/3,089.48 = 499.69/x
  3. Step 3: Cross multiply
    2,059.67x = 3,089.48 × 499.69
  4. Step 4: Simplify right side
    2,059.67x = 1,543,775.79
  5. Step 5: Solve for x
    x = 1,543,775.79/2,059.67
  6. Step 6: Final answer
    x = 749.52

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.