Home / 2,708.51-4,059.68-1,147.53

Finding the Fourth Proportional to 2,708.51, 4,059.68 and 1,147.53

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Solution

The fourth proportional to 2,708.51, 4,059.68 and 1,147.53 is: 1,719.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.51 : 4,059.68 = 1,147.53 : x
  2. Step 2: Convert to fraction form
    2,708.51/4,059.68 = 1,147.53/x
  3. Step 3: Cross multiply
    2,708.51x = 4,059.68 × 1,147.53
  4. Step 4: Simplify right side
    2,708.51x = 4,658,598.85
  5. Step 5: Solve for x
    x = 4,658,598.85/2,708.51
  6. Step 6: Final answer
    x = 1,719.99

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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.