Home / 2,715.09-4,074.17-1,071.77

Finding the Fourth Proportional to 2,715.09, 4,074.17 and 1,071.77

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Solution

The fourth proportional to 2,715.09, 4,074.17 and 1,071.77 is: 1,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.09 : 4,074.17 = 1,071.77 : x
  2. Step 2: Convert to fraction form
    2,715.09/4,074.17 = 1,071.77/x
  3. Step 3: Cross multiply
    2,715.09x = 4,074.17 × 1,071.77
  4. Step 4: Simplify right side
    2,715.09x = 4,366,547.45
  5. Step 5: Solve for x
    x = 4,366,547.45/2,715.09
  6. Step 6: Final answer
    x = 1,608.25

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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.