Home / 3,062.91-4,226.80-1,665.66

Finding the Fourth Proportional to 3,062.91, 4,226.80 and 1,665.66

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Solution

The fourth proportional to 3,062.91, 4,226.80 and 1,665.66 is: 2,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.91 : 4,226.80 = 1,665.66 : x
  2. Step 2: Convert to fraction form
    3,062.91/4,226.80 = 1,665.66/x
  3. Step 3: Cross multiply
    3,062.91x = 4,226.80 × 1,665.66
  4. Step 4: Simplify right side
    3,062.91x = 7,040,403.36
  5. Step 5: Solve for x
    x = 7,040,403.36/3,062.91
  6. Step 6: Final answer
    x = 2,298.60

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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.