Home / 2,616.28-3,904.19-2,325.40

Finding the Fourth Proportional to 2,616.28, 3,904.19 and 2,325.40

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Solution

The fourth proportional to 2,616.28, 3,904.19 and 2,325.40 is: 3,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.28 : 3,904.19 = 2,325.40 : x
  2. Step 2: Convert to fraction form
    2,616.28/3,904.19 = 2,325.40/x
  3. Step 3: Cross multiply
    2,616.28x = 3,904.19 × 2,325.40
  4. Step 4: Simplify right side
    2,616.28x = 9,078,803.43
  5. Step 5: Solve for x
    x = 9,078,803.43/2,616.28
  6. Step 6: Final answer
    x = 3,470.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.