Home / 1,525.60-2,288.40-371.35

Finding the Fourth Proportional to 1,525.60, 2,288.40 and 371.35

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Solution

The fourth proportional to 1,525.60, 2,288.40 and 371.35 is: 557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.60 : 2,288.40 = 371.35 : x
  2. Step 2: Convert to fraction form
    1,525.60/2,288.40 = 371.35/x
  3. Step 3: Cross multiply
    1,525.60x = 2,288.40 × 371.35
  4. Step 4: Simplify right side
    1,525.60x = 849,791.62
  5. Step 5: Solve for x
    x = 849,791.62/1,525.60
  6. Step 6: Final answer
    x = 557.02

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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.