Home / 2,551.73-3,521.19-1,432.45

Finding the Fourth Proportional to 2,551.73, 3,521.19 and 1,432.45

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Solution

The fourth proportional to 2,551.73, 3,521.19 and 1,432.45 is: 1,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.73 : 3,521.19 = 1,432.45 : x
  2. Step 2: Convert to fraction form
    2,551.73/3,521.19 = 1,432.45/x
  3. Step 3: Cross multiply
    2,551.73x = 3,521.19 × 1,432.45
  4. Step 4: Simplify right side
    2,551.73x = 5,043,928.62
  5. Step 5: Solve for x
    x = 5,043,928.62/2,551.73
  6. Step 6: Final answer
    x = 1,976.67

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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.