Home / 2,302.79-3,451.10-2,155.17

Finding the Fourth Proportional to 2,302.79, 3,451.10 and 2,155.17

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Solution

The fourth proportional to 2,302.79, 3,451.10 and 2,155.17 is: 3,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.79 : 3,451.10 = 2,155.17 : x
  2. Step 2: Convert to fraction form
    2,302.79/3,451.10 = 2,155.17/x
  3. Step 3: Cross multiply
    2,302.79x = 3,451.10 × 2,155.17
  4. Step 4: Simplify right side
    2,302.79x = 7,437,693.98
  5. Step 5: Solve for x
    x = 7,437,693.98/2,302.79
  6. Step 6: Final answer
    x = 3,229.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.