Home / 1,837.17-2,755.75-538.64

Finding the Fourth Proportional to 1,837.17, 2,755.75 and 538.64

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Solution

The fourth proportional to 1,837.17, 2,755.75 and 538.64 is: 807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.17 : 2,755.75 = 538.64 : x
  2. Step 2: Convert to fraction form
    1,837.17/2,755.75 = 538.64/x
  3. Step 3: Cross multiply
    1,837.17x = 2,755.75 × 538.64
  4. Step 4: Simplify right side
    1,837.17x = 1,484,343.40
  5. Step 5: Solve for x
    x = 1,484,343.40/1,837.17
  6. Step 6: Final answer
    x = 807.95

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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.