Home / 1,747.70-2,411.87-1,001.80

Finding the Fourth Proportional to 1,747.70, 2,411.87 and 1,001.80

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Solution

The fourth proportional to 1,747.70, 2,411.87 and 1,001.80 is: 1,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.70 : 2,411.87 = 1,001.80 : x
  2. Step 2: Convert to fraction form
    1,747.70/2,411.87 = 1,001.80/x
  3. Step 3: Cross multiply
    1,747.70x = 2,411.87 × 1,001.80
  4. Step 4: Simplify right side
    1,747.70x = 2,416,207.84
  5. Step 5: Solve for x
    x = 2,416,207.84/1,747.70
  6. Step 6: Final answer
    x = 1,382.51

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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.