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Finding the Fourth Proportional to 2,468.52, 3,703.26 and 1,315.56

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Solution

The fourth proportional to 2,468.52, 3,703.26 and 1,315.56 is: 1,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.52 : 3,703.26 = 1,315.56 : x
  2. Step 2: Convert to fraction form
    2,468.52/3,703.26 = 1,315.56/x
  3. Step 3: Cross multiply
    2,468.52x = 3,703.26 × 1,315.56
  4. Step 4: Simplify right side
    2,468.52x = 4,871,860.73
  5. Step 5: Solve for x
    x = 4,871,860.73/2,468.52
  6. Step 6: Final answer
    x = 1,973.60

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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.