Home / 3,326.55-4,585.72-2,131.39

Finding the Fourth Proportional to 3,326.55, 4,585.72 and 2,131.39

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Solution

The fourth proportional to 3,326.55, 4,585.72 and 2,131.39 is: 2,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.55 : 4,585.72 = 2,131.39 : x
  2. Step 2: Convert to fraction form
    3,326.55/4,585.72 = 2,131.39/x
  3. Step 3: Cross multiply
    3,326.55x = 4,585.72 × 2,131.39
  4. Step 4: Simplify right side
    3,326.55x = 9,773,957.75
  5. Step 5: Solve for x
    x = 9,773,957.75/3,326.55
  6. Step 6: Final answer
    x = 2,938.17

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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.