Home / 2,314.17-3,471.26-2,178.90

Finding the Fourth Proportional to 2,314.17, 3,471.26 and 2,178.90

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Solution

The fourth proportional to 2,314.17, 3,471.26 and 2,178.90 is: 3,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.17 : 3,471.26 = 2,178.90 : x
  2. Step 2: Convert to fraction form
    2,314.17/3,471.26 = 2,178.90/x
  3. Step 3: Cross multiply
    2,314.17x = 3,471.26 × 2,178.90
  4. Step 4: Simplify right side
    2,314.17x = 7,563,517.52
  5. Step 5: Solve for x
    x = 7,563,517.52/2,314.17
  6. Step 6: Final answer
    x = 3,268.35

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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.