Home / 3,246.97-4,871.76-1,298.92

Finding the Fourth Proportional to 3,246.97, 4,871.76 and 1,298.92

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Solution

The fourth proportional to 3,246.97, 4,871.76 and 1,298.92 is: 1,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.97 : 4,871.76 = 1,298.92 : x
  2. Step 2: Convert to fraction form
    3,246.97/4,871.76 = 1,298.92/x
  3. Step 3: Cross multiply
    3,246.97x = 4,871.76 × 1,298.92
  4. Step 4: Simplify right side
    3,246.97x = 6,328,026.50
  5. Step 5: Solve for x
    x = 6,328,026.50/3,246.97
  6. Step 6: Final answer
    x = 1,948.90

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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.