Home / 4,146.45-5,721.69-2,377.80

Finding the Fourth Proportional to 4,146.45, 5,721.69 and 2,377.80

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Solution

The fourth proportional to 4,146.45, 5,721.69 and 2,377.80 is: 3,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.45 : 5,721.69 = 2,377.80 : x
  2. Step 2: Convert to fraction form
    4,146.45/5,721.69 = 2,377.80/x
  3. Step 3: Cross multiply
    4,146.45x = 5,721.69 × 2,377.80
  4. Step 4: Simplify right side
    4,146.45x = 13,605,034.48
  5. Step 5: Solve for x
    x = 13,605,034.48/4,146.45
  6. Step 6: Final answer
    x = 3,281.13

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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.