Home / 1,601.28-2,388.62-1,574.88

Finding the Fourth Proportional to 1,601.28, 2,388.62 and 1,574.88

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Solution

The fourth proportional to 1,601.28, 2,388.62 and 1,574.88 is: 2,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.28 : 2,388.62 = 1,574.88 : x
  2. Step 2: Convert to fraction form
    1,601.28/2,388.62 = 1,574.88/x
  3. Step 3: Cross multiply
    1,601.28x = 2,388.62 × 1,574.88
  4. Step 4: Simplify right side
    1,601.28x = 3,761,789.87
  5. Step 5: Solve for x
    x = 3,761,789.87/1,601.28
  6. Step 6: Final answer
    x = 2,349.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.