Home / 3,754.65-5,180.76-2,560.61

Finding the Fourth Proportional to 3,754.65, 5,180.76 and 2,560.61

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Solution

The fourth proportional to 3,754.65, 5,180.76 and 2,560.61 is: 3,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.65 : 5,180.76 = 2,560.61 : x
  2. Step 2: Convert to fraction form
    3,754.65/5,180.76 = 2,560.61/x
  3. Step 3: Cross multiply
    3,754.65x = 5,180.76 × 2,560.61
  4. Step 4: Simplify right side
    3,754.65x = 13,265,918.82
  5. Step 5: Solve for x
    x = 13,265,918.82/3,754.65
  6. Step 6: Final answer
    x = 3,533.19

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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.