Home / 3,638.32-5,445.06-2,251.06

Finding the Fourth Proportional to 3,638.32, 5,445.06 and 2,251.06

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Solution

The fourth proportional to 3,638.32, 5,445.06 and 2,251.06 is: 3,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.32 : 5,445.06 = 2,251.06 : x
  2. Step 2: Convert to fraction form
    3,638.32/5,445.06 = 2,251.06/x
  3. Step 3: Cross multiply
    3,638.32x = 5,445.06 × 2,251.06
  4. Step 4: Simplify right side
    3,638.32x = 12,257,156.76
  5. Step 5: Solve for x
    x = 12,257,156.76/3,638.32
  6. Step 6: Final answer
    x = 3,368.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.