Home / 2,715.60-3,747.51-1,536.65

Finding the Fourth Proportional to 2,715.60, 3,747.51 and 1,536.65

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Solution

The fourth proportional to 2,715.60, 3,747.51 and 1,536.65 is: 2,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.60 : 3,747.51 = 1,536.65 : x
  2. Step 2: Convert to fraction form
    2,715.60/3,747.51 = 1,536.65/x
  3. Step 3: Cross multiply
    2,715.60x = 3,747.51 × 1,536.65
  4. Step 4: Simplify right side
    2,715.60x = 5,758,592.50
  5. Step 5: Solve for x
    x = 5,758,592.50/2,715.60
  6. Step 6: Final answer
    x = 2,120.56

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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.