Home / 4,319.92-5,960-2,431.12

Finding the Fourth Proportional to 4,319.92, 5,960 and 2,431.12

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Solution

The fourth proportional to 4,319.92, 5,960 and 2,431.12 is: 3,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.92 : 5,960 = 2,431.12 : x
  2. Step 2: Convert to fraction form
    4,319.92/5,960 = 2,431.12/x
  3. Step 3: Cross multiply
    4,319.92x = 5,960 × 2,431.12
  4. Step 4: Simplify right side
    4,319.92x = 14,489,475.20
  5. Step 5: Solve for x
    x = 14,489,475.20/4,319.92
  6. Step 6: Final answer
    x = 3,354.11

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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.