Home / 1,529.20-2,293.68-433.48

Finding the Fourth Proportional to 1,529.20, 2,293.68 and 433.48

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Solution

The fourth proportional to 1,529.20, 2,293.68 and 433.48 is: 650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.20 : 2,293.68 = 433.48 : x
  2. Step 2: Convert to fraction form
    1,529.20/2,293.68 = 433.48/x
  3. Step 3: Cross multiply
    1,529.20x = 2,293.68 × 433.48
  4. Step 4: Simplify right side
    1,529.20x = 994,264.41
  5. Step 5: Solve for x
    x = 994,264.41/1,529.20
  6. Step 6: Final answer
    x = 650.19

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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.