Home / 1,050.27-1,575.05-392.01

Finding the Fourth Proportional to 1,050.27, 1,575.05 and 392.01

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Solution

The fourth proportional to 1,050.27, 1,575.05 and 392.01 is: 587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.27 : 1,575.05 = 392.01 : x
  2. Step 2: Convert to fraction form
    1,050.27/1,575.05 = 392.01/x
  3. Step 3: Cross multiply
    1,050.27x = 1,575.05 × 392.01
  4. Step 4: Simplify right side
    1,050.27x = 617,427.48
  5. Step 5: Solve for x
    x = 617,427.48/1,050.27
  6. Step 6: Final answer
    x = 587.88

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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.