Home / 1,951.45-2,928.66-1,432.83

Finding the Fourth Proportional to 1,951.45, 2,928.66 and 1,432.83

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Solution

The fourth proportional to 1,951.45, 2,928.66 and 1,432.83 is: 2,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.45 : 2,928.66 = 1,432.83 : x
  2. Step 2: Convert to fraction form
    1,951.45/2,928.66 = 1,432.83/x
  3. Step 3: Cross multiply
    1,951.45x = 2,928.66 × 1,432.83
  4. Step 4: Simplify right side
    1,951.45x = 4,196,271.91
  5. Step 5: Solve for x
    x = 4,196,271.91/1,951.45
  6. Step 6: Final answer
    x = 2,150.34

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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.