Home / 4,103.06-5,658.39-2,685.15

Finding the Fourth Proportional to 4,103.06, 5,658.39 and 2,685.15

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Solution

The fourth proportional to 4,103.06, 5,658.39 and 2,685.15 is: 3,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.06 : 5,658.39 = 2,685.15 : x
  2. Step 2: Convert to fraction form
    4,103.06/5,658.39 = 2,685.15/x
  3. Step 3: Cross multiply
    4,103.06x = 5,658.39 × 2,685.15
  4. Step 4: Simplify right side
    4,103.06x = 15,193,625.91
  5. Step 5: Solve for x
    x = 15,193,625.91/4,103.06
  6. Step 6: Final answer
    x = 3,703.00

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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.