Home / 3,646.14-5,031.36-2,074.20

Finding the Fourth Proportional to 3,646.14, 5,031.36 and 2,074.20

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Solution

The fourth proportional to 3,646.14, 5,031.36 and 2,074.20 is: 2,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.14 : 5,031.36 = 2,074.20 : x
  2. Step 2: Convert to fraction form
    3,646.14/5,031.36 = 2,074.20/x
  3. Step 3: Cross multiply
    3,646.14x = 5,031.36 × 2,074.20
  4. Step 4: Simplify right side
    3,646.14x = 10,436,046.91
  5. Step 5: Solve for x
    x = 10,436,046.91/3,646.14
  6. Step 6: Final answer
    x = 2,862.22

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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.