Home / 3,117.15-4,675.68-1,168.89

Finding the Fourth Proportional to 3,117.15, 4,675.68 and 1,168.89

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Solution

The fourth proportional to 3,117.15, 4,675.68 and 1,168.89 is: 1,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.15 : 4,675.68 = 1,168.89 : x
  2. Step 2: Convert to fraction form
    3,117.15/4,675.68 = 1,168.89/x
  3. Step 3: Cross multiply
    3,117.15x = 4,675.68 × 1,168.89
  4. Step 4: Simplify right side
    3,117.15x = 5,465,355.60
  5. Step 5: Solve for x
    x = 5,465,355.60/3,117.15
  6. Step 6: Final answer
    x = 1,753.32

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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.