Home / 3,895.17-5,842.79-1,298.11

Finding the Fourth Proportional to 3,895.17, 5,842.79 and 1,298.11

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Solution

The fourth proportional to 3,895.17, 5,842.79 and 1,298.11 is: 1,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.17 : 5,842.79 = 1,298.11 : x
  2. Step 2: Convert to fraction form
    3,895.17/5,842.79 = 1,298.11/x
  3. Step 3: Cross multiply
    3,895.17x = 5,842.79 × 1,298.11
  4. Step 4: Simplify right side
    3,895.17x = 7,584,548.42
  5. Step 5: Solve for x
    x = 7,584,548.42/3,895.17
  6. Step 6: Final answer
    x = 1,947.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.