Home / 1,837.02-2,755.08-726.42

Finding the Fourth Proportional to 1,837.02, 2,755.08 and 726.42

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Solution

The fourth proportional to 1,837.02, 2,755.08 and 726.42 is: 1,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.02 : 2,755.08 = 726.42 : x
  2. Step 2: Convert to fraction form
    1,837.02/2,755.08 = 726.42/x
  3. Step 3: Cross multiply
    1,837.02x = 2,755.08 × 726.42
  4. Step 4: Simplify right side
    1,837.02x = 2,001,345.21
  5. Step 5: Solve for x
    x = 2,001,345.21/1,837.02
  6. Step 6: Final answer
    x = 1,089.45

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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.