Home / 3,948.68-5,445.88-2,956.32

Finding the Fourth Proportional to 3,948.68, 5,445.88 and 2,956.32

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Solution

The fourth proportional to 3,948.68, 5,445.88 and 2,956.32 is: 4,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.68 : 5,445.88 = 2,956.32 : x
  2. Step 2: Convert to fraction form
    3,948.68/5,445.88 = 2,956.32/x
  3. Step 3: Cross multiply
    3,948.68x = 5,445.88 × 2,956.32
  4. Step 4: Simplify right side
    3,948.68x = 16,099,763.96
  5. Step 5: Solve for x
    x = 16,099,763.96/3,948.68
  6. Step 6: Final answer
    x = 4,077.25

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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.