Home / 2,748.60-4,125.30-2,199.40

Finding the Fourth Proportional to 2,748.60, 4,125.30 and 2,199.40

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Solution

The fourth proportional to 2,748.60, 4,125.30 and 2,199.40 is: 3,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.60 : 4,125.30 = 2,199.40 : x
  2. Step 2: Convert to fraction form
    2,748.60/4,125.30 = 2,199.40/x
  3. Step 3: Cross multiply
    2,748.60x = 4,125.30 × 2,199.40
  4. Step 4: Simplify right side
    2,748.60x = 9,073,184.82
  5. Step 5: Solve for x
    x = 9,073,184.82/2,748.60
  6. Step 6: Final answer
    x = 3,301.02

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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.