Home / 2,715.32-4,074.66-1,071.58

Finding the Fourth Proportional to 2,715.32, 4,074.66 and 1,071.58

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Solution

The fourth proportional to 2,715.32, 4,074.66 and 1,071.58 is: 1,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.32 : 4,074.66 = 1,071.58 : x
  2. Step 2: Convert to fraction form
    2,715.32/4,074.66 = 1,071.58/x
  3. Step 3: Cross multiply
    2,715.32x = 4,074.66 × 1,071.58
  4. Step 4: Simplify right side
    2,715.32x = 4,366,324.16
  5. Step 5: Solve for x
    x = 4,366,324.16/2,715.32
  6. Step 6: Final answer
    x = 1,608.03

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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.