Home / 2,210.43-3,050.43-1,215.75

Finding the Fourth Proportional to 2,210.43, 3,050.43 and 1,215.75

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Solution

The fourth proportional to 2,210.43, 3,050.43 and 1,215.75 is: 1,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.43 : 3,050.43 = 1,215.75 : x
  2. Step 2: Convert to fraction form
    2,210.43/3,050.43 = 1,215.75/x
  3. Step 3: Cross multiply
    2,210.43x = 3,050.43 × 1,215.75
  4. Step 4: Simplify right side
    2,210.43x = 3,708,560.27
  5. Step 5: Solve for x
    x = 3,708,560.27/2,210.43
  6. Step 6: Final answer
    x = 1,677.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.