Home / 2,559.85-3,839.59-999.56

Finding the Fourth Proportional to 2,559.85, 3,839.59 and 999.56

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Solution

The fourth proportional to 2,559.85, 3,839.59 and 999.56 is: 1,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.85 : 3,839.59 = 999.56 : x
  2. Step 2: Convert to fraction form
    2,559.85/3,839.59 = 999.56/x
  3. Step 3: Cross multiply
    2,559.85x = 3,839.59 × 999.56
  4. Step 4: Simplify right side
    2,559.85x = 3,837,900.58
  5. Step 5: Solve for x
    x = 3,837,900.58/2,559.85
  6. Step 6: Final answer
    x = 1,499.27

Related Problems

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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.