Home / 1,529.04-2,292.80-663.04

Finding the Fourth Proportional to 1,529.04, 2,292.80 and 663.04

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Solution

The fourth proportional to 1,529.04, 2,292.80 and 663.04 is: 994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.04 : 2,292.80 = 663.04 : x
  2. Step 2: Convert to fraction form
    1,529.04/2,292.80 = 663.04/x
  3. Step 3: Cross multiply
    1,529.04x = 2,292.80 × 663.04
  4. Step 4: Simplify right side
    1,529.04x = 1,520,218.11
  5. Step 5: Solve for x
    x = 1,520,218.11/1,529.04
  6. Step 6: Final answer
    x = 994.23

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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.