Home / 3,425.80-4,727.88-1,934.08

Finding the Fourth Proportional to 3,425.80, 4,727.88 and 1,934.08

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Solution

The fourth proportional to 3,425.80, 4,727.88 and 1,934.08 is: 2,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.80 : 4,727.88 = 1,934.08 : x
  2. Step 2: Convert to fraction form
    3,425.80/4,727.88 = 1,934.08/x
  3. Step 3: Cross multiply
    3,425.80x = 4,727.88 × 1,934.08
  4. Step 4: Simplify right side
    3,425.80x = 9,144,098.15
  5. Step 5: Solve for x
    x = 9,144,098.15/3,425.80
  6. Step 6: Final answer
    x = 2,669.19

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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.