Home / 3,895.90-5,842.94-1,298.84

Finding the Fourth Proportional to 3,895.90, 5,842.94 and 1,298.84

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Solution

The fourth proportional to 3,895.90, 5,842.94 and 1,298.84 is: 1,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.90 : 5,842.94 = 1,298.84 : x
  2. Step 2: Convert to fraction form
    3,895.90/5,842.94 = 1,298.84/x
  3. Step 3: Cross multiply
    3,895.90x = 5,842.94 × 1,298.84
  4. Step 4: Simplify right side
    3,895.90x = 7,589,008.48
  5. Step 5: Solve for x
    x = 7,589,008.48/3,895.90
  6. Step 6: Final answer
    x = 1,947.95

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1.5x scale

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.