Home / 3,960.14-5,468.27-2,470.55

Finding the Fourth Proportional to 3,960.14, 5,468.27 and 2,470.55

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Solution

The fourth proportional to 3,960.14, 5,468.27 and 2,470.55 is: 3,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.14 : 5,468.27 = 2,470.55 : x
  2. Step 2: Convert to fraction form
    3,960.14/5,468.27 = 2,470.55/x
  3. Step 3: Cross multiply
    3,960.14x = 5,468.27 × 2,470.55
  4. Step 4: Simplify right side
    3,960.14x = 13,509,594.75
  5. Step 5: Solve for x
    x = 13,509,594.75/3,960.14
  6. Step 6: Final answer
    x = 3,411.40

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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.