Home / 3,818.35-5,264.40-2,471.57

Finding the Fourth Proportional to 3,818.35, 5,264.40 and 2,471.57

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Solution

The fourth proportional to 3,818.35, 5,264.40 and 2,471.57 is: 3,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.35 : 5,264.40 = 2,471.57 : x
  2. Step 2: Convert to fraction form
    3,818.35/5,264.40 = 2,471.57/x
  3. Step 3: Cross multiply
    3,818.35x = 5,264.40 × 2,471.57
  4. Step 4: Simplify right side
    3,818.35x = 13,011,335.80
  5. Step 5: Solve for x
    x = 13,011,335.80/3,818.35
  6. Step 6: Final answer
    x = 3,407.58

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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.