Home / 2,132.88-2,943.18-1,573.66

Finding the Fourth Proportional to 2,132.88, 2,943.18 and 1,573.66

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Solution

The fourth proportional to 2,132.88, 2,943.18 and 1,573.66 is: 2,171.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.88 : 2,943.18 = 1,573.66 : x
  2. Step 2: Convert to fraction form
    2,132.88/2,943.18 = 1,573.66/x
  3. Step 3: Cross multiply
    2,132.88x = 2,943.18 × 1,573.66
  4. Step 4: Simplify right side
    2,132.88x = 4,631,564.64
  5. Step 5: Solve for x
    x = 4,631,564.64/2,132.88
  6. Step 6: Final answer
    x = 2,171.51

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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.