Home / 3,158.80-4,737.18-1,492.76

Finding the Fourth Proportional to 3,158.80, 4,737.18 and 1,492.76

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Solution

The fourth proportional to 3,158.80, 4,737.18 and 1,492.76 is: 2,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.80 : 4,737.18 = 1,492.76 : x
  2. Step 2: Convert to fraction form
    3,158.80/4,737.18 = 1,492.76/x
  3. Step 3: Cross multiply
    3,158.80x = 4,737.18 × 1,492.76
  4. Step 4: Simplify right side
    3,158.80x = 7,071,472.82
  5. Step 5: Solve for x
    x = 7,071,472.82/3,158.80
  6. Step 6: Final answer
    x = 2,238.66

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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.