Home / 3,116.80-4,673.28-1,064.96

Finding the Fourth Proportional to 3,116.80, 4,673.28 and 1,064.96

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Solution

The fourth proportional to 3,116.80, 4,673.28 and 1,064.96 is: 1,596.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.80 : 4,673.28 = 1,064.96 : x
  2. Step 2: Convert to fraction form
    3,116.80/4,673.28 = 1,064.96/x
  3. Step 3: Cross multiply
    3,116.80x = 4,673.28 × 1,064.96
  4. Step 4: Simplify right side
    3,116.80x = 4,976,856.27
  5. Step 5: Solve for x
    x = 4,976,856.27/3,116.80
  6. Step 6: Final answer
    x = 1,596.78

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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.