Home / 2,210.31-3,315.21-566.87

Finding the Fourth Proportional to 2,210.31, 3,315.21 and 566.87

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Solution

The fourth proportional to 2,210.31, 3,315.21 and 566.87 is: 850.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.31 : 3,315.21 = 566.87 : x
  2. Step 2: Convert to fraction form
    2,210.31/3,315.21 = 566.87/x
  3. Step 3: Cross multiply
    2,210.31x = 3,315.21 × 566.87
  4. Step 4: Simplify right side
    2,210.31x = 1,879,276.52
  5. Step 5: Solve for x
    x = 1,879,276.52/2,210.31
  6. Step 6: Final answer
    x = 850.23

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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.