Home / 1,580.36-2,366.28-1,031.18

Finding the Fourth Proportional to 1,580.36, 2,366.28 and 1,031.18

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Solution

The fourth proportional to 1,580.36, 2,366.28 and 1,031.18 is: 1,543.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580.36 : 2,366.28 = 1,031.18 : x
  2. Step 2: Convert to fraction form
    1,580.36/2,366.28 = 1,031.18/x
  3. Step 3: Cross multiply
    1,580.36x = 2,366.28 × 1,031.18
  4. Step 4: Simplify right side
    1,580.36x = 2,440,060.61
  5. Step 5: Solve for x
    x = 2,440,060.61/1,580.36
  6. Step 6: Final answer
    x = 1,543.99

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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.