Home / 3,031.11-4,545.03-1,782.14

Finding the Fourth Proportional to 3,031.11, 4,545.03 and 1,782.14

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Solution

The fourth proportional to 3,031.11, 4,545.03 and 1,782.14 is: 2,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.11 : 4,545.03 = 1,782.14 : x
  2. Step 2: Convert to fraction form
    3,031.11/4,545.03 = 1,782.14/x
  3. Step 3: Cross multiply
    3,031.11x = 4,545.03 × 1,782.14
  4. Step 4: Simplify right side
    3,031.11x = 8,099,857.04
  5. Step 5: Solve for x
    x = 8,099,857.04/3,031.11
  6. Step 6: Final answer
    x = 2,672.24

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1.5x scale

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.