Home / 1,517.32-2,094.18-1,143.76

Finding the Fourth Proportional to 1,517.32, 2,094.18 and 1,143.76

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Solution

The fourth proportional to 1,517.32, 2,094.18 and 1,143.76 is: 1,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.32 : 2,094.18 = 1,143.76 : x
  2. Step 2: Convert to fraction form
    1,517.32/2,094.18 = 1,143.76/x
  3. Step 3: Cross multiply
    1,517.32x = 2,094.18 × 1,143.76
  4. Step 4: Simplify right side
    1,517.32x = 2,395,239.32
  5. Step 5: Solve for x
    x = 2,395,239.32/1,517.32
  6. Step 6: Final answer
    x = 1,578.60

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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.