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Finding the Fourth Proportional to 2,710.88, 4,066.44 and 1,149.32

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Solution

The fourth proportional to 2,710.88, 4,066.44 and 1,149.32 is: 1,724.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.88 : 4,066.44 = 1,149.32 : x
  2. Step 2: Convert to fraction form
    2,710.88/4,066.44 = 1,149.32/x
  3. Step 3: Cross multiply
    2,710.88x = 4,066.44 × 1,149.32
  4. Step 4: Simplify right side
    2,710.88x = 4,673,640.82
  5. Step 5: Solve for x
    x = 4,673,640.82/2,710.88
  6. Step 6: Final answer
    x = 1,724.03

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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.