Home / 2,691.16-4,035.50-1,393.54

Finding the Fourth Proportional to 2,691.16, 4,035.50 and 1,393.54

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Solution

The fourth proportional to 2,691.16, 4,035.50 and 1,393.54 is: 2,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.16 : 4,035.50 = 1,393.54 : x
  2. Step 2: Convert to fraction form
    2,691.16/4,035.50 = 1,393.54/x
  3. Step 3: Cross multiply
    2,691.16x = 4,035.50 × 1,393.54
  4. Step 4: Simplify right side
    2,691.16x = 5,623,630.67
  5. Step 5: Solve for x
    x = 5,623,630.67/2,691.16
  6. Step 6: Final answer
    x = 2,089.67

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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.