Home / 2,160.81-3,241.98-1,065.95

Finding the Fourth Proportional to 2,160.81, 3,241.98 and 1,065.95

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Solution

The fourth proportional to 2,160.81, 3,241.98 and 1,065.95 is: 1,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.81 : 3,241.98 = 1,065.95 : x
  2. Step 2: Convert to fraction form
    2,160.81/3,241.98 = 1,065.95/x
  3. Step 3: Cross multiply
    2,160.81x = 3,241.98 × 1,065.95
  4. Step 4: Simplify right side
    2,160.81x = 3,455,788.58
  5. Step 5: Solve for x
    x = 3,455,788.58/2,160.81
  6. Step 6: Final answer
    x = 1,599.30

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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.