Home / 2,951.27-4,424.73-1,390.39

Finding the Fourth Proportional to 2,951.27, 4,424.73 and 1,390.39

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Solution

The fourth proportional to 2,951.27, 4,424.73 and 1,390.39 is: 2,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.27 : 4,424.73 = 1,390.39 : x
  2. Step 2: Convert to fraction form
    2,951.27/4,424.73 = 1,390.39/x
  3. Step 3: Cross multiply
    2,951.27x = 4,424.73 × 1,390.39
  4. Step 4: Simplify right side
    2,951.27x = 6,152,089.28
  5. Step 5: Solve for x
    x = 6,152,089.28/2,951.27
  6. Step 6: Final answer
    x = 2,084.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.