Home / 2,669.60-4,005.31-1,352.70

Finding the Fourth Proportional to 2,669.60, 4,005.31 and 1,352.70

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Solution

The fourth proportional to 2,669.60, 4,005.31 and 1,352.70 is: 2,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.60 : 4,005.31 = 1,352.70 : x
  2. Step 2: Convert to fraction form
    2,669.60/4,005.31 = 1,352.70/x
  3. Step 3: Cross multiply
    2,669.60x = 4,005.31 × 1,352.70
  4. Step 4: Simplify right side
    2,669.60x = 5,417,982.84
  5. Step 5: Solve for x
    x = 5,417,982.84/2,669.60
  6. Step 6: Final answer
    x = 2,029.51

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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.