Home / 1,837.04-2,757.13-742.19

Finding the Fourth Proportional to 1,837.04, 2,757.13 and 742.19

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Solution

The fourth proportional to 1,837.04, 2,757.13 and 742.19 is: 1,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.04 : 2,757.13 = 742.19 : x
  2. Step 2: Convert to fraction form
    1,837.04/2,757.13 = 742.19/x
  3. Step 3: Cross multiply
    1,837.04x = 2,757.13 × 742.19
  4. Step 4: Simplify right side
    1,837.04x = 2,046,298.67
  5. Step 5: Solve for x
    x = 2,046,298.67/1,837.04
  6. Step 6: Final answer
    x = 1,113.91

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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.