Home / 3,031.69-4,549.29-1,276.57

Finding the Fourth Proportional to 3,031.69, 4,549.29 and 1,276.57

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Solution

The fourth proportional to 3,031.69, 4,549.29 and 1,276.57 is: 1,915.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.69 : 4,549.29 = 1,276.57 : x
  2. Step 2: Convert to fraction form
    3,031.69/4,549.29 = 1,276.57/x
  3. Step 3: Cross multiply
    3,031.69x = 4,549.29 × 1,276.57
  4. Step 4: Simplify right side
    3,031.69x = 5,807,487.14
  5. Step 5: Solve for x
    x = 5,807,487.14/3,031.69
  6. Step 6: Final answer
    x = 1,915.59

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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.