Home / 3,618.75-5,426.39-1,767.70

Finding the Fourth Proportional to 3,618.75, 5,426.39 and 1,767.70

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Solution

The fourth proportional to 3,618.75, 5,426.39 and 1,767.70 is: 2,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.75 : 5,426.39 = 1,767.70 : x
  2. Step 2: Convert to fraction form
    3,618.75/5,426.39 = 1,767.70/x
  3. Step 3: Cross multiply
    3,618.75x = 5,426.39 × 1,767.70
  4. Step 4: Simplify right side
    3,618.75x = 9,592,225.54
  5. Step 5: Solve for x
    x = 9,592,225.54/3,618.75
  6. Step 6: Final answer
    x = 2,650.70

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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.