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Finding the Fourth Proportional to 2,110.62, 3,165.93 and 571.74

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Solution

The fourth proportional to 2,110.62, 3,165.93 and 571.74 is: 857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.62 : 3,165.93 = 571.74 : x
  2. Step 2: Convert to fraction form
    2,110.62/3,165.93 = 571.74/x
  3. Step 3: Cross multiply
    2,110.62x = 3,165.93 × 571.74
  4. Step 4: Simplify right side
    2,110.62x = 1,810,088.82
  5. Step 5: Solve for x
    x = 1,810,088.82/2,110.62
  6. Step 6: Final answer
    x = 857.61

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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.