Home / 2,378.88-3,279.56-2,050.80

Finding the Fourth Proportional to 2,378.88, 3,279.56 and 2,050.80

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Solution

The fourth proportional to 2,378.88, 3,279.56 and 2,050.80 is: 2,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.88 : 3,279.56 = 2,050.80 : x
  2. Step 2: Convert to fraction form
    2,378.88/3,279.56 = 2,050.80/x
  3. Step 3: Cross multiply
    2,378.88x = 3,279.56 × 2,050.80
  4. Step 4: Simplify right side
    2,378.88x = 6,725,721.65
  5. Step 5: Solve for x
    x = 6,725,721.65/2,378.88
  6. Step 6: Final answer
    x = 2,827.26

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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.