Home / 3,875.76-5,348.81-2,197.18

Finding the Fourth Proportional to 3,875.76, 5,348.81 and 2,197.18

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Solution

The fourth proportional to 3,875.76, 5,348.81 and 2,197.18 is: 3,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.76 : 5,348.81 = 2,197.18 : x
  2. Step 2: Convert to fraction form
    3,875.76/5,348.81 = 2,197.18/x
  3. Step 3: Cross multiply
    3,875.76x = 5,348.81 × 2,197.18
  4. Step 4: Simplify right side
    3,875.76x = 11,752,274.27
  5. Step 5: Solve for x
    x = 11,752,274.27/3,875.76
  6. Step 6: Final answer
    x = 3,032.25

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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.