Home / 3,541.47-4,887.45-2,049.78

Finding the Fourth Proportional to 3,541.47, 4,887.45 and 2,049.78

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Solution

The fourth proportional to 3,541.47, 4,887.45 and 2,049.78 is: 2,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.47 : 4,887.45 = 2,049.78 : x
  2. Step 2: Convert to fraction form
    3,541.47/4,887.45 = 2,049.78/x
  3. Step 3: Cross multiply
    3,541.47x = 4,887.45 × 2,049.78
  4. Step 4: Simplify right side
    3,541.47x = 10,018,197.26
  5. Step 5: Solve for x
    x = 10,018,197.26/3,541.47
  6. Step 6: Final answer
    x = 2,828.82

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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.