Home / 3,858.25-5,326.68-2,925.13

Finding the Fourth Proportional to 3,858.25, 5,326.68 and 2,925.13

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Solution

The fourth proportional to 3,858.25, 5,326.68 and 2,925.13 is: 4,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.25 : 5,326.68 = 2,925.13 : x
  2. Step 2: Convert to fraction form
    3,858.25/5,326.68 = 2,925.13/x
  3. Step 3: Cross multiply
    3,858.25x = 5,326.68 × 2,925.13
  4. Step 4: Simplify right side
    3,858.25x = 15,581,231.47
  5. Step 5: Solve for x
    x = 15,581,231.47/3,858.25
  6. Step 6: Final answer
    x = 4,038.42

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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.