Home / 1,744.52-2,407.42-947.85

Finding the Fourth Proportional to 1,744.52, 2,407.42 and 947.85

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Solution

The fourth proportional to 1,744.52, 2,407.42 and 947.85 is: 1,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.52 : 2,407.42 = 947.85 : x
  2. Step 2: Convert to fraction form
    1,744.52/2,407.42 = 947.85/x
  3. Step 3: Cross multiply
    1,744.52x = 2,407.42 × 947.85
  4. Step 4: Simplify right side
    1,744.52x = 2,281,878.75
  5. Step 5: Solve for x
    x = 2,281,878.75/1,744.52
  6. Step 6: Final answer
    x = 1,308.03

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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.