Home / 1,517.03-2,276.51-998.07

Finding the Fourth Proportional to 1,517.03, 2,276.51 and 998.07

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Solution

The fourth proportional to 1,517.03, 2,276.51 and 998.07 is: 1,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.03 : 2,276.51 = 998.07 : x
  2. Step 2: Convert to fraction form
    1,517.03/2,276.51 = 998.07/x
  3. Step 3: Cross multiply
    1,517.03x = 2,276.51 × 998.07
  4. Step 4: Simplify right side
    1,517.03x = 2,272,116.34
  5. Step 5: Solve for x
    x = 2,272,116.34/1,517.03
  6. Step 6: Final answer
    x = 1,497.74

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Double scale
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1.5x scale

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.