Home / 3,031.29-4,182.27-1,836.72

Finding the Fourth Proportional to 3,031.29, 4,182.27 and 1,836.72

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Solution

The fourth proportional to 3,031.29, 4,182.27 and 1,836.72 is: 2,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.29 : 4,182.27 = 1,836.72 : x
  2. Step 2: Convert to fraction form
    3,031.29/4,182.27 = 1,836.72/x
  3. Step 3: Cross multiply
    3,031.29x = 4,182.27 × 1,836.72
  4. Step 4: Simplify right side
    3,031.29x = 7,681,638.04
  5. Step 5: Solve for x
    x = 7,681,638.04/3,031.29
  6. Step 6: Final answer
    x = 2,534.12

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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.