Home / 3,646.30-5,031.90-2,074.42

Finding the Fourth Proportional to 3,646.30, 5,031.90 and 2,074.42

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Solution

The fourth proportional to 3,646.30, 5,031.90 and 2,074.42 is: 2,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.30 : 5,031.90 = 2,074.42 : x
  2. Step 2: Convert to fraction form
    3,646.30/5,031.90 = 2,074.42/x
  3. Step 3: Cross multiply
    3,646.30x = 5,031.90 × 2,074.42
  4. Step 4: Simplify right side
    3,646.30x = 10,438,274.00
  5. Step 5: Solve for x
    x = 10,438,274.00/3,646.30
  6. Step 6: Final answer
    x = 2,862.70

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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.