Home / 1,837.31-2,756.16-538.88

Finding the Fourth Proportional to 1,837.31, 2,756.16 and 538.88

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Solution

The fourth proportional to 1,837.31, 2,756.16 and 538.88 is: 808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.31 : 2,756.16 = 538.88 : x
  2. Step 2: Convert to fraction form
    1,837.31/2,756.16 = 538.88/x
  3. Step 3: Cross multiply
    1,837.31x = 2,756.16 × 538.88
  4. Step 4: Simplify right side
    1,837.31x = 1,485,225.72
  5. Step 5: Solve for x
    x = 1,485,225.72/1,837.31
  6. Step 6: Final answer
    x = 808.37

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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.