Home / 2,210.36-3,050.26-1,215.65

Finding the Fourth Proportional to 2,210.36, 3,050.26 and 1,215.65

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Solution

The fourth proportional to 2,210.36, 3,050.26 and 1,215.65 is: 1,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.36 : 3,050.26 = 1,215.65 : x
  2. Step 2: Convert to fraction form
    2,210.36/3,050.26 = 1,215.65/x
  3. Step 3: Cross multiply
    2,210.36x = 3,050.26 × 1,215.65
  4. Step 4: Simplify right side
    2,210.36x = 3,708,034.84
  5. Step 5: Solve for x
    x = 3,708,034.84/2,210.36
  6. Step 6: Final answer
    x = 1,677.57

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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.