Home / 2,451.60-3,674.12-2,191.28

Finding the Fourth Proportional to 2,451.60, 3,674.12 and 2,191.28

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Solution

The fourth proportional to 2,451.60, 3,674.12 and 2,191.28 is: 3,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.60 : 3,674.12 = 2,191.28 : x
  2. Step 2: Convert to fraction form
    2,451.60/3,674.12 = 2,191.28/x
  3. Step 3: Cross multiply
    2,451.60x = 3,674.12 × 2,191.28
  4. Step 4: Simplify right side
    2,451.60x = 8,051,025.67
  5. Step 5: Solve for x
    x = 8,051,025.67/2,451.60
  6. Step 6: Final answer
    x = 3,283.99

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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.