Home / 2,210.44-3,050.33-1,215.71

Finding the Fourth Proportional to 2,210.44, 3,050.33 and 1,215.71

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Solution

The fourth proportional to 2,210.44, 3,050.33 and 1,215.71 is: 1,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.44 : 3,050.33 = 1,215.71 : x
  2. Step 2: Convert to fraction form
    2,210.44/3,050.33 = 1,215.71/x
  3. Step 3: Cross multiply
    2,210.44x = 3,050.33 × 1,215.71
  4. Step 4: Simplify right side
    2,210.44x = 3,708,318.23
  5. Step 5: Solve for x
    x = 3,708,318.23/2,210.44
  6. Step 6: Final answer
    x = 1,677.64

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1.5x scale

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.