Home / 2,891.41-4,307.27-2,712.13

Finding the Fourth Proportional to 2,891.41, 4,307.27 and 2,712.13

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Solution

The fourth proportional to 2,891.41, 4,307.27 and 2,712.13 is: 4,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.41 : 4,307.27 = 2,712.13 : x
  2. Step 2: Convert to fraction form
    2,891.41/4,307.27 = 2,712.13/x
  3. Step 3: Cross multiply
    2,891.41x = 4,307.27 × 2,712.13
  4. Step 4: Simplify right side
    2,891.41x = 11,681,876.19
  5. Step 5: Solve for x
    x = 11,681,876.19/2,891.41
  6. Step 6: Final answer
    x = 4,040.20

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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.