Home / 3,294.09-4,545.83-1,781.65

Finding the Fourth Proportional to 3,294.09, 4,545.83 and 1,781.65

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Solution

The fourth proportional to 3,294.09, 4,545.83 and 1,781.65 is: 2,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.09 : 4,545.83 = 1,781.65 : x
  2. Step 2: Convert to fraction form
    3,294.09/4,545.83 = 1,781.65/x
  3. Step 3: Cross multiply
    3,294.09x = 4,545.83 × 1,781.65
  4. Step 4: Simplify right side
    3,294.09x = 8,099,089.31
  5. Step 5: Solve for x
    x = 8,099,089.31/3,294.09
  6. Step 6: Final answer
    x = 2,458.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.