Home / 3,031.06-4,549.28-1,571.20

Finding the Fourth Proportional to 3,031.06, 4,549.28 and 1,571.20

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Solution

The fourth proportional to 3,031.06, 4,549.28 and 1,571.20 is: 2,358.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.06 : 4,549.28 = 1,571.20 : x
  2. Step 2: Convert to fraction form
    3,031.06/4,549.28 = 1,571.20/x
  3. Step 3: Cross multiply
    3,031.06x = 4,549.28 × 1,571.20
  4. Step 4: Simplify right side
    3,031.06x = 7,147,828.74
  5. Step 5: Solve for x
    x = 7,147,828.74/3,031.06
  6. Step 6: Final answer
    x = 2,358.19

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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.