Home / 1,517.56-2,276.34-1,029.40

Finding the Fourth Proportional to 1,517.56, 2,276.34 and 1,029.40

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Solution

The fourth proportional to 1,517.56, 2,276.34 and 1,029.40 is: 1,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.56 : 2,276.34 = 1,029.40 : x
  2. Step 2: Convert to fraction form
    1,517.56/2,276.34 = 1,029.40/x
  3. Step 3: Cross multiply
    1,517.56x = 2,276.34 × 1,029.40
  4. Step 4: Simplify right side
    1,517.56x = 2,343,264.40
  5. Step 5: Solve for x
    x = 2,343,264.40/1,517.56
  6. Step 6: Final answer
    x = 1,544.10

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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.