Home / 2,613.62-3,604.91-1,656.20

Finding the Fourth Proportional to 2,613.62, 3,604.91 and 1,656.20

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Solution

The fourth proportional to 2,613.62, 3,604.91 and 1,656.20 is: 2,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.62 : 3,604.91 = 1,656.20 : x
  2. Step 2: Convert to fraction form
    2,613.62/3,604.91 = 1,656.20/x
  3. Step 3: Cross multiply
    2,613.62x = 3,604.91 × 1,656.20
  4. Step 4: Simplify right side
    2,613.62x = 5,970,432.40
  5. Step 5: Solve for x
    x = 5,970,432.40/2,613.62
  6. Step 6: Final answer
    x = 2,284.36

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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.