Home / 3,426.54-5,140.67-1,866.12

Finding the Fourth Proportional to 3,426.54, 5,140.67 and 1,866.12

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Solution

The fourth proportional to 3,426.54, 5,140.67 and 1,866.12 is: 2,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.54 : 5,140.67 = 1,866.12 : x
  2. Step 2: Convert to fraction form
    3,426.54/5,140.67 = 1,866.12/x
  3. Step 3: Cross multiply
    3,426.54x = 5,140.67 × 1,866.12
  4. Step 4: Simplify right side
    3,426.54x = 9,593,097.77
  5. Step 5: Solve for x
    x = 9,593,097.77/3,426.54
  6. Step 6: Final answer
    x = 2,799.65

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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.