Home / 2,867.23-4,301.66-919.57

Finding the Fourth Proportional to 2,867.23, 4,301.66 and 919.57

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Solution

The fourth proportional to 2,867.23, 4,301.66 and 919.57 is: 1,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.23 : 4,301.66 = 919.57 : x
  2. Step 2: Convert to fraction form
    2,867.23/4,301.66 = 919.57/x
  3. Step 3: Cross multiply
    2,867.23x = 4,301.66 × 919.57
  4. Step 4: Simplify right side
    2,867.23x = 3,955,677.49
  5. Step 5: Solve for x
    x = 3,955,677.49/2,867.23
  6. Step 6: Final answer
    x = 1,379.62

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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.