Home / 1,460.78-2,189.66-1,113.14

Finding the Fourth Proportional to 1,460.78, 2,189.66 and 1,113.14

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Solution

The fourth proportional to 1,460.78, 2,189.66 and 1,113.14 is: 1,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.78 : 2,189.66 = 1,113.14 : x
  2. Step 2: Convert to fraction form
    1,460.78/2,189.66 = 1,113.14/x
  3. Step 3: Cross multiply
    1,460.78x = 2,189.66 × 1,113.14
  4. Step 4: Simplify right side
    1,460.78x = 2,437,398.13
  5. Step 5: Solve for x
    x = 2,437,398.13/1,460.78
  6. Step 6: Final answer
    x = 1,668.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.