Home / 2,715.90-3,747.99-1,653.71

Finding the Fourth Proportional to 2,715.90, 3,747.99 and 1,653.71

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Solution

The fourth proportional to 2,715.90, 3,747.99 and 1,653.71 is: 2,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.90 : 3,747.99 = 1,653.71 : x
  2. Step 2: Convert to fraction form
    2,715.90/3,747.99 = 1,653.71/x
  3. Step 3: Cross multiply
    2,715.90x = 3,747.99 × 1,653.71
  4. Step 4: Simplify right side
    2,715.90x = 6,198,074.77
  5. Step 5: Solve for x
    x = 6,198,074.77/2,715.90
  6. Step 6: Final answer
    x = 2,282.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.