Home / 1,529.17-2,292.40-663.01

Finding the Fourth Proportional to 1,529.17, 2,292.40 and 663.01

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Solution

The fourth proportional to 1,529.17, 2,292.40 and 663.01 is: 993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.17 : 2,292.40 = 663.01 : x
  2. Step 2: Convert to fraction form
    1,529.17/2,292.40 = 663.01/x
  3. Step 3: Cross multiply
    1,529.17x = 2,292.40 × 663.01
  4. Step 4: Simplify right side
    1,529.17x = 1,519,884.12
  5. Step 5: Solve for x
    x = 1,519,884.12/1,529.17
  6. Step 6: Final answer
    x = 993.93

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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.