Home / 3,854.15-5,316.32-2,281.13

Finding the Fourth Proportional to 3,854.15, 5,316.32 and 2,281.13

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Solution

The fourth proportional to 3,854.15, 5,316.32 and 2,281.13 is: 3,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.15 : 5,316.32 = 2,281.13 : x
  2. Step 2: Convert to fraction form
    3,854.15/5,316.32 = 2,281.13/x
  3. Step 3: Cross multiply
    3,854.15x = 5,316.32 × 2,281.13
  4. Step 4: Simplify right side
    3,854.15x = 12,127,179.05
  5. Step 5: Solve for x
    x = 12,127,179.05/3,854.15
  6. Step 6: Final answer
    x = 3,146.53

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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.