Home / 2,648.38-3,972.54-1,559.67

Finding the Fourth Proportional to 2,648.38, 3,972.54 and 1,559.67

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Solution

The fourth proportional to 2,648.38, 3,972.54 and 1,559.67 is: 2,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.38 : 3,972.54 = 1,559.67 : x
  2. Step 2: Convert to fraction form
    2,648.38/3,972.54 = 1,559.67/x
  3. Step 3: Cross multiply
    2,648.38x = 3,972.54 × 1,559.67
  4. Step 4: Simplify right side
    2,648.38x = 6,195,851.46
  5. Step 5: Solve for x
    x = 6,195,851.46/2,648.38
  6. Step 6: Final answer
    x = 2,339.49

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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.