Home / 1,551.27-2,328.45-730.13

Finding the Fourth Proportional to 1,551.27, 2,328.45 and 730.13

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Solution

The fourth proportional to 1,551.27, 2,328.45 and 730.13 is: 1,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.27 : 2,328.45 = 730.13 : x
  2. Step 2: Convert to fraction form
    1,551.27/2,328.45 = 730.13/x
  3. Step 3: Cross multiply
    1,551.27x = 2,328.45 × 730.13
  4. Step 4: Simplify right side
    1,551.27x = 1,700,060.93
  5. Step 5: Solve for x
    x = 1,700,060.93/1,551.27
  6. Step 6: Final answer
    x = 1,095.91

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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.