Home / 3,117.74-4,677.25-1,268.85

Finding the Fourth Proportional to 3,117.74, 4,677.25 and 1,268.85

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Solution

The fourth proportional to 3,117.74, 4,677.25 and 1,268.85 is: 1,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.74 : 4,677.25 = 1,268.85 : x
  2. Step 2: Convert to fraction form
    3,117.74/4,677.25 = 1,268.85/x
  3. Step 3: Cross multiply
    3,117.74x = 4,677.25 × 1,268.85
  4. Step 4: Simplify right side
    3,117.74x = 5,934,728.66
  5. Step 5: Solve for x
    x = 5,934,728.66/3,117.74
  6. Step 6: Final answer
    x = 1,903.54

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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.