Home / 2,110.19-3,165.28-571.19

Finding the Fourth Proportional to 2,110.19, 3,165.28 and 571.19

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Solution

The fourth proportional to 2,110.19, 3,165.28 and 571.19 is: 856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.19 : 3,165.28 = 571.19 : x
  2. Step 2: Convert to fraction form
    2,110.19/3,165.28 = 571.19/x
  3. Step 3: Cross multiply
    2,110.19x = 3,165.28 × 571.19
  4. Step 4: Simplify right side
    2,110.19x = 1,807,976.28
  5. Step 5: Solve for x
    x = 1,807,976.28/2,110.19
  6. Step 6: Final answer
    x = 856.78

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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.