Home / 3,207.98-4,427.03-1,881.71

Finding the Fourth Proportional to 3,207.98, 4,427.03 and 1,881.71

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Solution

The fourth proportional to 3,207.98, 4,427.03 and 1,881.71 is: 2,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.98 : 4,427.03 = 1,881.71 : x
  2. Step 2: Convert to fraction form
    3,207.98/4,427.03 = 1,881.71/x
  3. Step 3: Cross multiply
    3,207.98x = 4,427.03 × 1,881.71
  4. Step 4: Simplify right side
    3,207.98x = 8,330,386.62
  5. Step 5: Solve for x
    x = 8,330,386.62/3,207.98
  6. Step 6: Final answer
    x = 2,596.77

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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.