Home / 3,730.30-5,142.38-2,607.76

Finding the Fourth Proportional to 3,730.30, 5,142.38 and 2,607.76

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Solution

The fourth proportional to 3,730.30, 5,142.38 and 2,607.76 is: 3,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.30 : 5,142.38 = 2,607.76 : x
  2. Step 2: Convert to fraction form
    3,730.30/5,142.38 = 2,607.76/x
  3. Step 3: Cross multiply
    3,730.30x = 5,142.38 × 2,607.76
  4. Step 4: Simplify right side
    3,730.30x = 13,410,092.87
  5. Step 5: Solve for x
    x = 13,410,092.87/3,730.30
  6. Step 6: Final answer
    x = 3,594.91

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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.