Home / 3,017.60-4,514.88-1,993.60

Finding the Fourth Proportional to 3,017.60, 4,514.88 and 1,993.60

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Solution

The fourth proportional to 3,017.60, 4,514.88 and 1,993.60 is: 2,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.60 : 4,514.88 = 1,993.60 : x
  2. Step 2: Convert to fraction form
    3,017.60/4,514.88 = 1,993.60/x
  3. Step 3: Cross multiply
    3,017.60x = 4,514.88 × 1,993.60
  4. Step 4: Simplify right side
    3,017.60x = 9,000,864.77
  5. Step 5: Solve for x
    x = 9,000,864.77/3,017.60
  6. Step 6: Final answer
    x = 2,982.79

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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.