Home / 2,011.22-2,999.25-1,938.32

Finding the Fourth Proportional to 2,011.22, 2,999.25 and 1,938.32

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Solution

The fourth proportional to 2,011.22, 2,999.25 and 1,938.32 is: 2,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.22 : 2,999.25 = 1,938.32 : x
  2. Step 2: Convert to fraction form
    2,011.22/2,999.25 = 1,938.32/x
  3. Step 3: Cross multiply
    2,011.22x = 2,999.25 × 1,938.32
  4. Step 4: Simplify right side
    2,011.22x = 5,813,496.57
  5. Step 5: Solve for x
    x = 5,813,496.57/2,011.22
  6. Step 6: Final answer
    x = 2,890.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.