Home / 1,526.20-2,289.26-371.95

Finding the Fourth Proportional to 1,526.20, 2,289.26 and 371.95

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Solution

The fourth proportional to 1,526.20, 2,289.26 and 371.95 is: 557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.20 : 2,289.26 = 371.95 : x
  2. Step 2: Convert to fraction form
    1,526.20/2,289.26 = 371.95/x
  3. Step 3: Cross multiply
    1,526.20x = 2,289.26 × 371.95
  4. Step 4: Simplify right side
    1,526.20x = 851,485.46
  5. Step 5: Solve for x
    x = 851,485.46/1,526.20
  6. Step 6: Final answer
    x = 557.91

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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.