Home / 2,709.32-4,065.66-1,065.58

Finding the Fourth Proportional to 2,709.32, 4,065.66 and 1,065.58

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Solution

The fourth proportional to 2,709.32, 4,065.66 and 1,065.58 is: 1,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.32 : 4,065.66 = 1,065.58 : x
  2. Step 2: Convert to fraction form
    2,709.32/4,065.66 = 1,065.58/x
  3. Step 3: Cross multiply
    2,709.32x = 4,065.66 × 1,065.58
  4. Step 4: Simplify right side
    2,709.32x = 4,332,285.98
  5. Step 5: Solve for x
    x = 4,332,285.98/2,709.32
  6. Step 6: Final answer
    x = 1,599.03

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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.