Home / 3,182.30-4,390.85-2,002.64

Finding the Fourth Proportional to 3,182.30, 4,390.85 and 2,002.64

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Solution

The fourth proportional to 3,182.30, 4,390.85 and 2,002.64 is: 2,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.30 : 4,390.85 = 2,002.64 : x
  2. Step 2: Convert to fraction form
    3,182.30/4,390.85 = 2,002.64/x
  3. Step 3: Cross multiply
    3,182.30x = 4,390.85 × 2,002.64
  4. Step 4: Simplify right side
    3,182.30x = 8,793,291.84
  5. Step 5: Solve for x
    x = 8,793,291.84/3,182.30
  6. Step 6: Final answer
    x = 2,763.19

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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.