Home / 2,377.41-3,281.73-2,128.29

Finding the Fourth Proportional to 2,377.41, 3,281.73 and 2,128.29

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Solution

The fourth proportional to 2,377.41, 3,281.73 and 2,128.29 is: 2,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.41 : 3,281.73 = 2,128.29 : x
  2. Step 2: Convert to fraction form
    2,377.41/3,281.73 = 2,128.29/x
  3. Step 3: Cross multiply
    2,377.41x = 3,281.73 × 2,128.29
  4. Step 4: Simplify right side
    2,377.41x = 6,984,473.14
  5. Step 5: Solve for x
    x = 6,984,473.14/2,377.41
  6. Step 6: Final answer
    x = 2,937.85

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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.