Home / 2,737.30-3,777.12-1,558.20

Finding the Fourth Proportional to 2,737.30, 3,777.12 and 1,558.20

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Solution

The fourth proportional to 2,737.30, 3,777.12 and 1,558.20 is: 2,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.30 : 3,777.12 = 1,558.20 : x
  2. Step 2: Convert to fraction form
    2,737.30/3,777.12 = 1,558.20/x
  3. Step 3: Cross multiply
    2,737.30x = 3,777.12 × 1,558.20
  4. Step 4: Simplify right side
    2,737.30x = 5,885,508.38
  5. Step 5: Solve for x
    x = 5,885,508.38/2,737.30
  6. Step 6: Final answer
    x = 2,150.11

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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.