Home / 3,888.37-5,367.75-2,294.49

Finding the Fourth Proportional to 3,888.37, 5,367.75 and 2,294.49

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Solution

The fourth proportional to 3,888.37, 5,367.75 and 2,294.49 is: 3,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.37 : 5,367.75 = 2,294.49 : x
  2. Step 2: Convert to fraction form
    3,888.37/5,367.75 = 2,294.49/x
  3. Step 3: Cross multiply
    3,888.37x = 5,367.75 × 2,294.49
  4. Step 4: Simplify right side
    3,888.37x = 12,316,248.70
  5. Step 5: Solve for x
    x = 12,316,248.70/3,888.37
  6. Step 6: Final answer
    x = 3,167.46

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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.