Home / 1,460.61-2,014.97-839.25

Finding the Fourth Proportional to 1,460.61, 2,014.97 and 839.25

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Solution

The fourth proportional to 1,460.61, 2,014.97 and 839.25 is: 1,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.61 : 2,014.97 = 839.25 : x
  2. Step 2: Convert to fraction form
    1,460.61/2,014.97 = 839.25/x
  3. Step 3: Cross multiply
    1,460.61x = 2,014.97 × 839.25
  4. Step 4: Simplify right side
    1,460.61x = 1,691,059.38
  5. Step 5: Solve for x
    x = 1,691,059.38/1,460.61
  6. Step 6: Final answer
    x = 1,157.78

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1.5x scale

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.