Home / 2,799.48-4,199.20-1,334.20

Finding the Fourth Proportional to 2,799.48, 4,199.20 and 1,334.20

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Solution

The fourth proportional to 2,799.48, 4,199.20 and 1,334.20 is: 2,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.48 : 4,199.20 = 1,334.20 : x
  2. Step 2: Convert to fraction form
    2,799.48/4,199.20 = 1,334.20/x
  3. Step 3: Cross multiply
    2,799.48x = 4,199.20 × 1,334.20
  4. Step 4: Simplify right side
    2,799.48x = 5,602,572.64
  5. Step 5: Solve for x
    x = 5,602,572.64/2,799.48
  6. Step 6: Final answer
    x = 2,001.29

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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.