Home / 3,207.65-4,426.58-1,881.38

Finding the Fourth Proportional to 3,207.65, 4,426.58 and 1,881.38

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Solution

The fourth proportional to 3,207.65, 4,426.58 and 1,881.38 is: 2,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.65 : 4,426.58 = 1,881.38 : x
  2. Step 2: Convert to fraction form
    3,207.65/4,426.58 = 1,881.38/x
  3. Step 3: Cross multiply
    3,207.65x = 4,426.58 × 1,881.38
  4. Step 4: Simplify right side
    3,207.65x = 8,328,079.08
  5. Step 5: Solve for x
    x = 8,328,079.08/3,207.65
  6. Step 6: Final answer
    x = 2,596.32

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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.