Home / 3,763.54-5,638.11-2,115.10

Finding the Fourth Proportional to 3,763.54, 5,638.11 and 2,115.10

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Solution

The fourth proportional to 3,763.54, 5,638.11 and 2,115.10 is: 3,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.54 : 5,638.11 = 2,115.10 : x
  2. Step 2: Convert to fraction form
    3,763.54/5,638.11 = 2,115.10/x
  3. Step 3: Cross multiply
    3,763.54x = 5,638.11 × 2,115.10
  4. Step 4: Simplify right side
    3,763.54x = 11,925,166.46
  5. Step 5: Solve for x
    x = 11,925,166.46/3,763.54
  6. Step 6: Final answer
    x = 3,168.60

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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.