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Finding the Fourth Proportional to 2,885.65, 4,329.62 and 1,499.86

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Solution

The fourth proportional to 2,885.65, 4,329.62 and 1,499.86 is: 2,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.65 : 4,329.62 = 1,499.86 : x
  2. Step 2: Convert to fraction form
    2,885.65/4,329.62 = 1,499.86/x
  3. Step 3: Cross multiply
    2,885.65x = 4,329.62 × 1,499.86
  4. Step 4: Simplify right side
    2,885.65x = 6,493,805.53
  5. Step 5: Solve for x
    x = 6,493,805.53/2,885.65
  6. Step 6: Final answer
    x = 2,250.38

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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.