Home / 2,737.80-3,777.75-1,542.83

Finding the Fourth Proportional to 2,737.80, 3,777.75 and 1,542.83

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Solution

The fourth proportional to 2,737.80, 3,777.75 and 1,542.83 is: 2,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.80 : 3,777.75 = 1,542.83 : x
  2. Step 2: Convert to fraction form
    2,737.80/3,777.75 = 1,542.83/x
  3. Step 3: Cross multiply
    2,737.80x = 3,777.75 × 1,542.83
  4. Step 4: Simplify right side
    2,737.80x = 5,828,407.14
  5. Step 5: Solve for x
    x = 5,828,407.14/2,737.80
  6. Step 6: Final answer
    x = 2,128.87

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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.