Home / 2,601.28-3,898.48-1,557.92

Finding the Fourth Proportional to 2,601.28, 3,898.48 and 1,557.92

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Solution

The fourth proportional to 2,601.28, 3,898.48 and 1,557.92 is: 2,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.28 : 3,898.48 = 1,557.92 : x
  2. Step 2: Convert to fraction form
    2,601.28/3,898.48 = 1,557.92/x
  3. Step 3: Cross multiply
    2,601.28x = 3,898.48 × 1,557.92
  4. Step 4: Simplify right side
    2,601.28x = 6,073,519.96
  5. Step 5: Solve for x
    x = 6,073,519.96/2,601.28
  6. Step 6: Final answer
    x = 2,334.82

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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.