Home / 3,444.80-5,165.40-1,253.20

Finding the Fourth Proportional to 3,444.80, 5,165.40 and 1,253.20

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Solution

The fourth proportional to 3,444.80, 5,165.40 and 1,253.20 is: 1,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.80 : 5,165.40 = 1,253.20 : x
  2. Step 2: Convert to fraction form
    3,444.80/5,165.40 = 1,253.20/x
  3. Step 3: Cross multiply
    3,444.80x = 5,165.40 × 1,253.20
  4. Step 4: Simplify right side
    3,444.80x = 6,473,279.28
  5. Step 5: Solve for x
    x = 6,473,279.28/3,444.80
  6. Step 6: Final answer
    x = 1,879.15

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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.