Home / 2,785.17-4,160.13-2,625.24

Finding the Fourth Proportional to 2,785.17, 4,160.13 and 2,625.24

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Solution

The fourth proportional to 2,785.17, 4,160.13 and 2,625.24 is: 3,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.17 : 4,160.13 = 2,625.24 : x
  2. Step 2: Convert to fraction form
    2,785.17/4,160.13 = 2,625.24/x
  3. Step 3: Cross multiply
    2,785.17x = 4,160.13 × 2,625.24
  4. Step 4: Simplify right side
    2,785.17x = 10,921,339.68
  5. Step 5: Solve for x
    x = 10,921,339.68/2,785.17
  6. Step 6: Final answer
    x = 3,921.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.