Home / 3,031.85-4,182.92-1,837.20

Finding the Fourth Proportional to 3,031.85, 4,182.92 and 1,837.20

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Solution

The fourth proportional to 3,031.85, 4,182.92 and 1,837.20 is: 2,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.85 : 4,182.92 = 1,837.20 : x
  2. Step 2: Convert to fraction form
    3,031.85/4,182.92 = 1,837.20/x
  3. Step 3: Cross multiply
    3,031.85x = 4,182.92 × 1,837.20
  4. Step 4: Simplify right side
    3,031.85x = 7,684,866.49
  5. Step 5: Solve for x
    x = 7,684,866.49/3,031.85
  6. Step 6: Final answer
    x = 2,534.71

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1.5x scale

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.