Home / 3,377.98-4,661.19-2,135.74

Finding the Fourth Proportional to 3,377.98, 4,661.19 and 2,135.74

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Solution

The fourth proportional to 3,377.98, 4,661.19 and 2,135.74 is: 2,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.98 : 4,661.19 = 2,135.74 : x
  2. Step 2: Convert to fraction form
    3,377.98/4,661.19 = 2,135.74/x
  3. Step 3: Cross multiply
    3,377.98x = 4,661.19 × 2,135.74
  4. Step 4: Simplify right side
    3,377.98x = 9,955,089.93
  5. Step 5: Solve for x
    x = 9,955,089.93/3,377.98
  6. Step 6: Final answer
    x = 2,947.05

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Double scale
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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.