Home / 2,210.91-3,317.09-1,056.75

Finding the Fourth Proportional to 2,210.91, 3,317.09 and 1,056.75

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Solution

The fourth proportional to 2,210.91, 3,317.09 and 1,056.75 is: 1,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.91 : 3,317.09 = 1,056.75 : x
  2. Step 2: Convert to fraction form
    2,210.91/3,317.09 = 1,056.75/x
  3. Step 3: Cross multiply
    2,210.91x = 3,317.09 × 1,056.75
  4. Step 4: Simplify right side
    2,210.91x = 3,505,329.57
  5. Step 5: Solve for x
    x = 3,505,329.57/2,210.91
  6. Step 6: Final answer
    x = 1,585.47

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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.