Home / 2,448.80-3,671.48-1,279.46

Finding the Fourth Proportional to 2,448.80, 3,671.48 and 1,279.46

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Solution

The fourth proportional to 2,448.80, 3,671.48 and 1,279.46 is: 1,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.80 : 3,671.48 = 1,279.46 : x
  2. Step 2: Convert to fraction form
    2,448.80/3,671.48 = 1,279.46/x
  3. Step 3: Cross multiply
    2,448.80x = 3,671.48 × 1,279.46
  4. Step 4: Simplify right side
    2,448.80x = 4,697,487.05
  5. Step 5: Solve for x
    x = 4,697,487.05/2,448.80
  6. Step 6: Final answer
    x = 1,918.29

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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.