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Finding the Fourth Proportional to 2,710.53, 4,078.79 and 2,455.53

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Solution

The fourth proportional to 2,710.53, 4,078.79 and 2,455.53 is: 3,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.53 : 4,078.79 = 2,455.53 : x
  2. Step 2: Convert to fraction form
    2,710.53/4,078.79 = 2,455.53/x
  3. Step 3: Cross multiply
    2,710.53x = 4,078.79 × 2,455.53
  4. Step 4: Simplify right side
    2,710.53x = 10,015,578.93
  5. Step 5: Solve for x
    x = 10,015,578.93/2,710.53
  6. Step 6: Final answer
    x = 3,695.06

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1.5x scale

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.