Home / 3,963.54-5,470.02-2,195.46

Finding the Fourth Proportional to 3,963.54, 5,470.02 and 2,195.46

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Solution

The fourth proportional to 3,963.54, 5,470.02 and 2,195.46 is: 3,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.54 : 5,470.02 = 2,195.46 : x
  2. Step 2: Convert to fraction form
    3,963.54/5,470.02 = 2,195.46/x
  3. Step 3: Cross multiply
    3,963.54x = 5,470.02 × 2,195.46
  4. Step 4: Simplify right side
    3,963.54x = 12,009,210.11
  5. Step 5: Solve for x
    x = 12,009,210.11/3,963.54
  6. Step 6: Final answer
    x = 3,029.92

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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.