Home / 2,747.05-4,117.66-897.67

Finding the Fourth Proportional to 2,747.05, 4,117.66 and 897.67

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Solution

The fourth proportional to 2,747.05, 4,117.66 and 897.67 is: 1,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.05 : 4,117.66 = 897.67 : x
  2. Step 2: Convert to fraction form
    2,747.05/4,117.66 = 897.67/x
  3. Step 3: Cross multiply
    2,747.05x = 4,117.66 × 897.67
  4. Step 4: Simplify right side
    2,747.05x = 3,696,287.31
  5. Step 5: Solve for x
    x = 3,696,287.31/2,747.05
  6. Step 6: Final answer
    x = 1,345.55

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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.