Home / 3,646.62-5,031.90-2,073.60

Finding the Fourth Proportional to 3,646.62, 5,031.90 and 2,073.60

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Solution

The fourth proportional to 3,646.62, 5,031.90 and 2,073.60 is: 2,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.62 : 5,031.90 = 2,073.60 : x
  2. Step 2: Convert to fraction form
    3,646.62/5,031.90 = 2,073.60/x
  3. Step 3: Cross multiply
    3,646.62x = 5,031.90 × 2,073.60
  4. Step 4: Simplify right side
    3,646.62x = 10,434,147.84
  5. Step 5: Solve for x
    x = 10,434,147.84/3,646.62
  6. Step 6: Final answer
    x = 2,861.32

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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.