Home / 3,895.40-5,374.13-2,193.53

Finding the Fourth Proportional to 3,895.40, 5,374.13 and 2,193.53

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Solution

The fourth proportional to 3,895.40, 5,374.13 and 2,193.53 is: 3,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.40 : 5,374.13 = 2,193.53 : x
  2. Step 2: Convert to fraction form
    3,895.40/5,374.13 = 2,193.53/x
  3. Step 3: Cross multiply
    3,895.40x = 5,374.13 × 2,193.53
  4. Step 4: Simplify right side
    3,895.40x = 11,788,277.54
  5. Step 5: Solve for x
    x = 11,788,277.54/3,895.40
  6. Step 6: Final answer
    x = 3,026.20

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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.