Home / 3,150.90-4,719.05-2,799.18

Finding the Fourth Proportional to 3,150.90, 4,719.05 and 2,799.18

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Solution

The fourth proportional to 3,150.90, 4,719.05 and 2,799.18 is: 4,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.90 : 4,719.05 = 2,799.18 : x
  2. Step 2: Convert to fraction form
    3,150.90/4,719.05 = 2,799.18/x
  3. Step 3: Cross multiply
    3,150.90x = 4,719.05 × 2,799.18
  4. Step 4: Simplify right side
    3,150.90x = 13,209,470.38
  5. Step 5: Solve for x
    x = 13,209,470.38/3,150.90
  6. Step 6: Final answer
    x = 4,192.28

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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.