Home / 3,101.13-4,275.29-3,004.20

Finding the Fourth Proportional to 3,101.13, 4,275.29 and 3,004.20

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Solution

The fourth proportional to 3,101.13, 4,275.29 and 3,004.20 is: 4,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.13 : 4,275.29 = 3,004.20 : x
  2. Step 2: Convert to fraction form
    3,101.13/4,275.29 = 3,004.20/x
  3. Step 3: Cross multiply
    3,101.13x = 4,275.29 × 3,004.20
  4. Step 4: Simplify right side
    3,101.13x = 12,843,811.20
  5. Step 5: Solve for x
    x = 12,843,811.20/3,101.13
  6. Step 6: Final answer
    x = 4,141.66

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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.