Home / 2,715.80-4,073.92-1,156.16

Finding the Fourth Proportional to 2,715.80, 4,073.92 and 1,156.16

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Solution

The fourth proportional to 2,715.80, 4,073.92 and 1,156.16 is: 1,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.80 : 4,073.92 = 1,156.16 : x
  2. Step 2: Convert to fraction form
    2,715.80/4,073.92 = 1,156.16/x
  3. Step 3: Cross multiply
    2,715.80x = 4,073.92 × 1,156.16
  4. Step 4: Simplify right side
    2,715.80x = 4,710,103.35
  5. Step 5: Solve for x
    x = 4,710,103.35/2,715.80
  6. Step 6: Final answer
    x = 1,734.33

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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.