Home / 3,351.04-5,026.88-1,299.20

Finding the Fourth Proportional to 3,351.04, 5,026.88 and 1,299.20

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Solution

The fourth proportional to 3,351.04, 5,026.88 and 1,299.20 is: 1,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.04 : 5,026.88 = 1,299.20 : x
  2. Step 2: Convert to fraction form
    3,351.04/5,026.88 = 1,299.20/x
  3. Step 3: Cross multiply
    3,351.04x = 5,026.88 × 1,299.20
  4. Step 4: Simplify right side
    3,351.04x = 6,530,922.50
  5. Step 5: Solve for x
    x = 6,530,922.50/3,351.04
  6. Step 6: Final answer
    x = 1,948.92

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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.