Home / 2,331.87-3,216.96-1,668.48

Finding the Fourth Proportional to 2,331.87, 3,216.96 and 1,668.48

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Solution

The fourth proportional to 2,331.87, 3,216.96 and 1,668.48 is: 2,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.87 : 3,216.96 = 1,668.48 : x
  2. Step 2: Convert to fraction form
    2,331.87/3,216.96 = 1,668.48/x
  3. Step 3: Cross multiply
    2,331.87x = 3,216.96 × 1,668.48
  4. Step 4: Simplify right side
    2,331.87x = 5,367,433.42
  5. Step 5: Solve for x
    x = 5,367,433.42/2,331.87
  6. Step 6: Final answer
    x = 2,301.77

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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.