Home / 2,377.98-3,282.51-2,128.85

Finding the Fourth Proportional to 2,377.98, 3,282.51 and 2,128.85

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Solution

The fourth proportional to 2,377.98, 3,282.51 and 2,128.85 is: 2,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.98 : 3,282.51 = 2,128.85 : x
  2. Step 2: Convert to fraction form
    2,377.98/3,282.51 = 2,128.85/x
  3. Step 3: Cross multiply
    2,377.98x = 3,282.51 × 2,128.85
  4. Step 4: Simplify right side
    2,377.98x = 6,987,955.00
  5. Step 5: Solve for x
    x = 6,987,955.00/2,377.98
  6. Step 6: Final answer
    x = 2,938.61

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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.