Home / 4,146.30-5,721.80-2,377.79

Finding the Fourth Proportional to 4,146.30, 5,721.80 and 2,377.79

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Solution

The fourth proportional to 4,146.30, 5,721.80 and 2,377.79 is: 3,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.30 : 5,721.80 = 2,377.79 : x
  2. Step 2: Convert to fraction form
    4,146.30/5,721.80 = 2,377.79/x
  3. Step 3: Cross multiply
    4,146.30x = 5,721.80 × 2,377.79
  4. Step 4: Simplify right side
    4,146.30x = 13,605,245.59
  5. Step 5: Solve for x
    x = 13,605,245.59/4,146.30
  6. Step 6: Final answer
    x = 3,281.30

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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.