Home / 3,207.40-4,426.43-1,881.16

Finding the Fourth Proportional to 3,207.40, 4,426.43 and 1,881.16

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Solution

The fourth proportional to 3,207.40, 4,426.43 and 1,881.16 is: 2,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.40 : 4,426.43 = 1,881.16 : x
  2. Step 2: Convert to fraction form
    3,207.40/4,426.43 = 1,881.16/x
  3. Step 3: Cross multiply
    3,207.40x = 4,426.43 × 1,881.16
  4. Step 4: Simplify right side
    3,207.40x = 8,326,823.06
  5. Step 5: Solve for x
    x = 8,326,823.06/3,207.40
  6. Step 6: Final answer
    x = 2,596.13

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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.