Home / 1,747.61-2,412.06-1,109.13

Finding the Fourth Proportional to 1,747.61, 2,412.06 and 1,109.13

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Solution

The fourth proportional to 1,747.61, 2,412.06 and 1,109.13 is: 1,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.61 : 2,412.06 = 1,109.13 : x
  2. Step 2: Convert to fraction form
    1,747.61/2,412.06 = 1,109.13/x
  3. Step 3: Cross multiply
    1,747.61x = 2,412.06 × 1,109.13
  4. Step 4: Simplify right side
    1,747.61x = 2,675,288.11
  5. Step 5: Solve for x
    x = 2,675,288.11/1,747.61
  6. Step 6: Final answer
    x = 1,530.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.