Home / 3,424.79-4,726.40-1,932.42

Finding the Fourth Proportional to 3,424.79, 4,726.40 and 1,932.42

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Solution

The fourth proportional to 3,424.79, 4,726.40 and 1,932.42 is: 2,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.79 : 4,726.40 = 1,932.42 : x
  2. Step 2: Convert to fraction form
    3,424.79/4,726.40 = 1,932.42/x
  3. Step 3: Cross multiply
    3,424.79x = 4,726.40 × 1,932.42
  4. Step 4: Simplify right side
    3,424.79x = 9,133,380.23
  5. Step 5: Solve for x
    x = 9,133,380.23/3,424.79
  6. Step 6: Final answer
    x = 2,666.85

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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.