Home / 2,713.68-4,047.52-2,631.66

Finding the Fourth Proportional to 2,713.68, 4,047.52 and 2,631.66

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Solution

The fourth proportional to 2,713.68, 4,047.52 and 2,631.66 is: 3,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.68 : 4,047.52 = 2,631.66 : x
  2. Step 2: Convert to fraction form
    2,713.68/4,047.52 = 2,631.66/x
  3. Step 3: Cross multiply
    2,713.68x = 4,047.52 × 2,631.66
  4. Step 4: Simplify right side
    2,713.68x = 10,651,696.48
  5. Step 5: Solve for x
    x = 10,651,696.48/2,713.68
  6. Step 6: Final answer
    x = 3,925.19

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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.