Home / 1,748.53-2,412.68-1,040.80

Finding the Fourth Proportional to 1,748.53, 2,412.68 and 1,040.80

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Solution

The fourth proportional to 1,748.53, 2,412.68 and 1,040.80 is: 1,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.53 : 2,412.68 = 1,040.80 : x
  2. Step 2: Convert to fraction form
    1,748.53/2,412.68 = 1,040.80/x
  3. Step 3: Cross multiply
    1,748.53x = 2,412.68 × 1,040.80
  4. Step 4: Simplify right side
    1,748.53x = 2,511,117.34
  5. Step 5: Solve for x
    x = 2,511,117.34/1,748.53
  6. Step 6: Final answer
    x = 1,436.13

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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.