Home / 2,868.39-3,958.40-1,592.29

Finding the Fourth Proportional to 2,868.39, 3,958.40 and 1,592.29

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Solution

The fourth proportional to 2,868.39, 3,958.40 and 1,592.29 is: 2,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.39 : 3,958.40 = 1,592.29 : x
  2. Step 2: Convert to fraction form
    2,868.39/3,958.40 = 1,592.29/x
  3. Step 3: Cross multiply
    2,868.39x = 3,958.40 × 1,592.29
  4. Step 4: Simplify right side
    2,868.39x = 6,302,920.74
  5. Step 5: Solve for x
    x = 6,302,920.74/2,868.39
  6. Step 6: Final answer
    x = 2,197.37

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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.