Home / 2,832.30-4,251.15-2,421.90

Finding the Fourth Proportional to 2,832.30, 4,251.15 and 2,421.90

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Solution

The fourth proportional to 2,832.30, 4,251.15 and 2,421.90 is: 3,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.30 : 4,251.15 = 2,421.90 : x
  2. Step 2: Convert to fraction form
    2,832.30/4,251.15 = 2,421.90/x
  3. Step 3: Cross multiply
    2,832.30x = 4,251.15 × 2,421.90
  4. Step 4: Simplify right side
    2,832.30x = 10,295,860.19
  5. Step 5: Solve for x
    x = 10,295,860.19/2,832.30
  6. Step 6: Final answer
    x = 3,635.16

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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.