Home / 3,948.32-5,442.60-2,952.08

Finding the Fourth Proportional to 3,948.32, 5,442.60 and 2,952.08

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Solution

The fourth proportional to 3,948.32, 5,442.60 and 2,952.08 is: 4,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.32 : 5,442.60 = 2,952.08 : x
  2. Step 2: Convert to fraction form
    3,948.32/5,442.60 = 2,952.08/x
  3. Step 3: Cross multiply
    3,948.32x = 5,442.60 × 2,952.08
  4. Step 4: Simplify right side
    3,948.32x = 16,066,990.61
  5. Step 5: Solve for x
    x = 16,066,990.61/3,948.32
  6. Step 6: Final answer
    x = 4,069.32

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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.