Home / 3,031.88-4,521.45-2,695.90

Finding the Fourth Proportional to 3,031.88, 4,521.45 and 2,695.90

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Solution

The fourth proportional to 3,031.88, 4,521.45 and 2,695.90 is: 4,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.88 : 4,521.45 = 2,695.90 : x
  2. Step 2: Convert to fraction form
    3,031.88/4,521.45 = 2,695.90/x
  3. Step 3: Cross multiply
    3,031.88x = 4,521.45 × 2,695.90
  4. Step 4: Simplify right side
    3,031.88x = 12,189,342.52
  5. Step 5: Solve for x
    x = 12,189,342.52/3,031.88
  6. Step 6: Final answer
    x = 4,020.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.