Home / 1,780.14-2,456.62-1,034.13

Finding the Fourth Proportional to 1,780.14, 2,456.62 and 1,034.13

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Solution

The fourth proportional to 1,780.14, 2,456.62 and 1,034.13 is: 1,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780.14 : 2,456.62 = 1,034.13 : x
  2. Step 2: Convert to fraction form
    1,780.14/2,456.62 = 1,034.13/x
  3. Step 3: Cross multiply
    1,780.14x = 2,456.62 × 1,034.13
  4. Step 4: Simplify right side
    1,780.14x = 2,540,459.27
  5. Step 5: Solve for x
    x = 2,540,459.27/1,780.14
  6. Step 6: Final answer
    x = 1,427.11

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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.