Home / 3,511.64-4,851.98-2,718.20

Finding the Fourth Proportional to 3,511.64, 4,851.98 and 2,718.20

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Solution

The fourth proportional to 3,511.64, 4,851.98 and 2,718.20 is: 3,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.64 : 4,851.98 = 2,718.20 : x
  2. Step 2: Convert to fraction form
    3,511.64/4,851.98 = 2,718.20/x
  3. Step 3: Cross multiply
    3,511.64x = 4,851.98 × 2,718.20
  4. Step 4: Simplify right side
    3,511.64x = 13,188,614.19
  5. Step 5: Solve for x
    x = 13,188,614.19/3,511.64
  6. Step 6: Final answer
    x = 3,755.69

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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.