Home / 4,068.28-5,613.60-2,389.29

Finding the Fourth Proportional to 4,068.28, 5,613.60 and 2,389.29

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Solution

The fourth proportional to 4,068.28, 5,613.60 and 2,389.29 is: 3,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.28 : 5,613.60 = 2,389.29 : x
  2. Step 2: Convert to fraction form
    4,068.28/5,613.60 = 2,389.29/x
  3. Step 3: Cross multiply
    4,068.28x = 5,613.60 × 2,389.29
  4. Step 4: Simplify right side
    4,068.28x = 13,412,518.34
  5. Step 5: Solve for x
    x = 13,412,518.34/4,068.28
  6. Step 6: Final answer
    x = 3,296.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.