Home / 3,918.05-5,876.76-1,144.74

Finding the Fourth Proportional to 3,918.05, 5,876.76 and 1,144.74

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Solution

The fourth proportional to 3,918.05, 5,876.76 and 1,144.74 is: 1,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.05 : 5,876.76 = 1,144.74 : x
  2. Step 2: Convert to fraction form
    3,918.05/5,876.76 = 1,144.74/x
  3. Step 3: Cross multiply
    3,918.05x = 5,876.76 × 1,144.74
  4. Step 4: Simplify right side
    3,918.05x = 6,727,362.24
  5. Step 5: Solve for x
    x = 6,727,362.24/3,918.05
  6. Step 6: Final answer
    x = 1,717.02

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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.