Home / 1,494.27-2,230.11-1,455.39

Finding the Fourth Proportional to 1,494.27, 2,230.11 and 1,455.39

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Solution

The fourth proportional to 1,494.27, 2,230.11 and 1,455.39 is: 2,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.27 : 2,230.11 = 1,455.39 : x
  2. Step 2: Convert to fraction form
    1,494.27/2,230.11 = 1,455.39/x
  3. Step 3: Cross multiply
    1,494.27x = 2,230.11 × 1,455.39
  4. Step 4: Simplify right side
    1,494.27x = 3,245,679.79
  5. Step 5: Solve for x
    x = 3,245,679.79/1,494.27
  6. Step 6: Final answer
    x = 2,172.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.