Home / 3,244.80-4,868.40-1,298.40

Finding the Fourth Proportional to 3,244.80, 4,868.40 and 1,298.40

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Solution

The fourth proportional to 3,244.80, 4,868.40 and 1,298.40 is: 1,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.80 : 4,868.40 = 1,298.40 : x
  2. Step 2: Convert to fraction form
    3,244.80/4,868.40 = 1,298.40/x
  3. Step 3: Cross multiply
    3,244.80x = 4,868.40 × 1,298.40
  4. Step 4: Simplify right side
    3,244.80x = 6,321,130.56
  5. Step 5: Solve for x
    x = 6,321,130.56/3,244.80
  6. Step 6: Final answer
    x = 1,948.08

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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.