Home / 2,210.13-3,315.72-823.52

Finding the Fourth Proportional to 2,210.13, 3,315.72 and 823.52

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Solution

The fourth proportional to 2,210.13, 3,315.72 and 823.52 is: 1,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.13 : 3,315.72 = 823.52 : x
  2. Step 2: Convert to fraction form
    2,210.13/3,315.72 = 823.52/x
  3. Step 3: Cross multiply
    2,210.13x = 3,315.72 × 823.52
  4. Step 4: Simplify right side
    2,210.13x = 2,730,545.16
  5. Step 5: Solve for x
    x = 2,730,545.16/2,210.13
  6. Step 6: Final answer
    x = 1,235.47

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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.