Home / 3,534.32-4,876.98-2,117.72

Finding the Fourth Proportional to 3,534.32, 4,876.98 and 2,117.72

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Solution

The fourth proportional to 3,534.32, 4,876.98 and 2,117.72 is: 2,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.32 : 4,876.98 = 2,117.72 : x
  2. Step 2: Convert to fraction form
    3,534.32/4,876.98 = 2,117.72/x
  3. Step 3: Cross multiply
    3,534.32x = 4,876.98 × 2,117.72
  4. Step 4: Simplify right side
    3,534.32x = 10,328,078.09
  5. Step 5: Solve for x
    x = 10,328,078.09/3,534.32
  6. Step 6: Final answer
    x = 2,922.22

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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.