Home / 3,340.98-4,612.38-2,015

Finding the Fourth Proportional to 3,340.98, 4,612.38 and 2,015

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Solution

The fourth proportional to 3,340.98, 4,612.38 and 2,015 is: 2,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.98 : 4,612.38 = 2,015 : x
  2. Step 2: Convert to fraction form
    3,340.98/4,612.38 = 2,015/x
  3. Step 3: Cross multiply
    3,340.98x = 4,612.38 × 2,015
  4. Step 4: Simplify right side
    3,340.98x = 9,293,945.70
  5. Step 5: Solve for x
    x = 9,293,945.70/3,340.98
  6. Step 6: Final answer
    x = 2,781.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.