Home / 3,417.66-5,115.42-1,932.84

Finding the Fourth Proportional to 3,417.66, 5,115.42 and 1,932.84

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Solution

The fourth proportional to 3,417.66, 5,115.42 and 1,932.84 is: 2,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.66 : 5,115.42 = 1,932.84 : x
  2. Step 2: Convert to fraction form
    3,417.66/5,115.42 = 1,932.84/x
  3. Step 3: Cross multiply
    3,417.66x = 5,115.42 × 1,932.84
  4. Step 4: Simplify right side
    3,417.66x = 9,887,288.39
  5. Step 5: Solve for x
    x = 9,887,288.39/3,417.66
  6. Step 6: Final answer
    x = 2,893.00

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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.