Home / 3,613.12-4,984.32-2,495.20

Finding the Fourth Proportional to 3,613.12, 4,984.32 and 2,495.20

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Solution

The fourth proportional to 3,613.12, 4,984.32 and 2,495.20 is: 3,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.12 : 4,984.32 = 2,495.20 : x
  2. Step 2: Convert to fraction form
    3,613.12/4,984.32 = 2,495.20/x
  3. Step 3: Cross multiply
    3,613.12x = 4,984.32 × 2,495.20
  4. Step 4: Simplify right side
    3,613.12x = 12,436,875.26
  5. Step 5: Solve for x
    x = 12,436,875.26/3,613.12
  6. Step 6: Final answer
    x = 3,442.14

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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.