Home / 2,221.16-3,331.80-1,050.84

Finding the Fourth Proportional to 2,221.16, 3,331.80 and 1,050.84

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Solution

The fourth proportional to 2,221.16, 3,331.80 and 1,050.84 is: 1,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.16 : 3,331.80 = 1,050.84 : x
  2. Step 2: Convert to fraction form
    2,221.16/3,331.80 = 1,050.84/x
  3. Step 3: Cross multiply
    2,221.16x = 3,331.80 × 1,050.84
  4. Step 4: Simplify right side
    2,221.16x = 3,501,188.71
  5. Step 5: Solve for x
    x = 3,501,188.71/2,221.16
  6. Step 6: Final answer
    x = 1,576.29

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1.5x scale

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.