Home / 3,142.83-4,332.98-2,612.17

Finding the Fourth Proportional to 3,142.83, 4,332.98 and 2,612.17

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Solution

The fourth proportional to 3,142.83, 4,332.98 and 2,612.17 is: 3,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.83 : 4,332.98 = 2,612.17 : x
  2. Step 2: Convert to fraction form
    3,142.83/4,332.98 = 2,612.17/x
  3. Step 3: Cross multiply
    3,142.83x = 4,332.98 × 2,612.17
  4. Step 4: Simplify right side
    3,142.83x = 11,318,445.64
  5. Step 5: Solve for x
    x = 11,318,445.64/3,142.83
  6. Step 6: Final answer
    x = 3,601.35

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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.