Home / 2,089.44-3,132.05-1,309.99

Finding the Fourth Proportional to 2,089.44, 3,132.05 and 1,309.99

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Solution

The fourth proportional to 2,089.44, 3,132.05 and 1,309.99 is: 1,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.44 : 3,132.05 = 1,309.99 : x
  2. Step 2: Convert to fraction form
    2,089.44/3,132.05 = 1,309.99/x
  3. Step 3: Cross multiply
    2,089.44x = 3,132.05 × 1,309.99
  4. Step 4: Simplify right side
    2,089.44x = 4,102,943.48
  5. Step 5: Solve for x
    x = 4,102,943.48/2,089.44
  6. Step 6: Final answer
    x = 1,963.66

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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.