Home / 1,536.81-2,306.39-1,127.02

Finding the Fourth Proportional to 1,536.81, 2,306.39 and 1,127.02

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Solution

The fourth proportional to 1,536.81, 2,306.39 and 1,127.02 is: 1,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.81 : 2,306.39 = 1,127.02 : x
  2. Step 2: Convert to fraction form
    1,536.81/2,306.39 = 1,127.02/x
  3. Step 3: Cross multiply
    1,536.81x = 2,306.39 × 1,127.02
  4. Step 4: Simplify right side
    1,536.81x = 2,599,347.66
  5. Step 5: Solve for x
    x = 2,599,347.66/1,536.81
  6. Step 6: Final answer
    x = 1,691.39

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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.