Home / 2,849.50-3,932.31-1,607.74

Finding the Fourth Proportional to 2,849.50, 3,932.31 and 1,607.74

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Solution

The fourth proportional to 2,849.50, 3,932.31 and 1,607.74 is: 2,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.50 : 3,932.31 = 1,607.74 : x
  2. Step 2: Convert to fraction form
    2,849.50/3,932.31 = 1,607.74/x
  3. Step 3: Cross multiply
    2,849.50x = 3,932.31 × 1,607.74
  4. Step 4: Simplify right side
    2,849.50x = 6,322,132.08
  5. Step 5: Solve for x
    x = 6,322,132.08/2,849.50
  6. Step 6: Final answer
    x = 2,218.68

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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.