Home / 1,943.46-2,910.51-1,210.86

Finding the Fourth Proportional to 1,943.46, 2,910.51 and 1,210.86

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Solution

The fourth proportional to 1,943.46, 2,910.51 and 1,210.86 is: 1,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.46 : 2,910.51 = 1,210.86 : x
  2. Step 2: Convert to fraction form
    1,943.46/2,910.51 = 1,210.86/x
  3. Step 3: Cross multiply
    1,943.46x = 2,910.51 × 1,210.86
  4. Step 4: Simplify right side
    1,943.46x = 3,524,220.14
  5. Step 5: Solve for x
    x = 3,524,220.14/1,943.46
  6. Step 6: Final answer
    x = 1,813.37

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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.