Home / 2,132.96-3,201.51-1,312.83

Finding the Fourth Proportional to 2,132.96, 3,201.51 and 1,312.83

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Solution

The fourth proportional to 2,132.96, 3,201.51 and 1,312.83 is: 1,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.96 : 3,201.51 = 1,312.83 : x
  2. Step 2: Convert to fraction form
    2,132.96/3,201.51 = 1,312.83/x
  3. Step 3: Cross multiply
    2,132.96x = 3,201.51 × 1,312.83
  4. Step 4: Simplify right side
    2,132.96x = 4,203,043.30
  5. Step 5: Solve for x
    x = 4,203,043.30/2,132.96
  6. Step 6: Final answer
    x = 1,970.53

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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.