Home / 2,987.48-4,482.42-1,344.80

Finding the Fourth Proportional to 2,987.48, 4,482.42 and 1,344.80

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Solution

The fourth proportional to 2,987.48, 4,482.42 and 1,344.80 is: 2,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.48 : 4,482.42 = 1,344.80 : x
  2. Step 2: Convert to fraction form
    2,987.48/4,482.42 = 1,344.80/x
  3. Step 3: Cross multiply
    2,987.48x = 4,482.42 × 1,344.80
  4. Step 4: Simplify right side
    2,987.48x = 6,027,930.96
  5. Step 5: Solve for x
    x = 6,027,930.96/2,987.48
  6. Step 6: Final answer
    x = 2,017.73

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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.