Home / 2,148.93-3,221.11-1,366.47

Finding the Fourth Proportional to 2,148.93, 3,221.11 and 1,366.47

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Solution

The fourth proportional to 2,148.93, 3,221.11 and 1,366.47 is: 2,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.93 : 3,221.11 = 1,366.47 : x
  2. Step 2: Convert to fraction form
    2,148.93/3,221.11 = 1,366.47/x
  3. Step 3: Cross multiply
    2,148.93x = 3,221.11 × 1,366.47
  4. Step 4: Simplify right side
    2,148.93x = 4,401,527.24
  5. Step 5: Solve for x
    x = 4,401,527.24/2,148.93
  6. Step 6: Final answer
    x = 2,048.25

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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.