Home / 2,210.53-3,050.58-1,215.83

Finding the Fourth Proportional to 2,210.53, 3,050.58 and 1,215.83

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Solution

The fourth proportional to 2,210.53, 3,050.58 and 1,215.83 is: 1,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.53 : 3,050.58 = 1,215.83 : x
  2. Step 2: Convert to fraction form
    2,210.53/3,050.58 = 1,215.83/x
  3. Step 3: Cross multiply
    2,210.53x = 3,050.58 × 1,215.83
  4. Step 4: Simplify right side
    2,210.53x = 3,708,992.87
  5. Step 5: Solve for x
    x = 3,708,992.87/2,210.53
  6. Step 6: Final answer
    x = 1,677.88

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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.