Home / 2,811.61-4,217.60-1,168.29

Finding the Fourth Proportional to 2,811.61, 4,217.60 and 1,168.29

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Solution

The fourth proportional to 2,811.61, 4,217.60 and 1,168.29 is: 1,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.61 : 4,217.60 = 1,168.29 : x
  2. Step 2: Convert to fraction form
    2,811.61/4,217.60 = 1,168.29/x
  3. Step 3: Cross multiply
    2,811.61x = 4,217.60 × 1,168.29
  4. Step 4: Simplify right side
    2,811.61x = 4,927,379.90
  5. Step 5: Solve for x
    x = 4,927,379.90/2,811.61
  6. Step 6: Final answer
    x = 1,752.51

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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.