Home / 2,302.26-3,178.32-1,418.55

Finding the Fourth Proportional to 2,302.26, 3,178.32 and 1,418.55

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Solution

The fourth proportional to 2,302.26, 3,178.32 and 1,418.55 is: 1,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.26 : 3,178.32 = 1,418.55 : x
  2. Step 2: Convert to fraction form
    2,302.26/3,178.32 = 1,418.55/x
  3. Step 3: Cross multiply
    2,302.26x = 3,178.32 × 1,418.55
  4. Step 4: Simplify right side
    2,302.26x = 4,508,605.84
  5. Step 5: Solve for x
    x = 4,508,605.84/2,302.26
  6. Step 6: Final answer
    x = 1,958.34

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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.