Home / 2,227.02-3,340.08-840.33

Finding the Fourth Proportional to 2,227.02, 3,340.08 and 840.33

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Solution

The fourth proportional to 2,227.02, 3,340.08 and 840.33 is: 1,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.02 : 3,340.08 = 840.33 : x
  2. Step 2: Convert to fraction form
    2,227.02/3,340.08 = 840.33/x
  3. Step 3: Cross multiply
    2,227.02x = 3,340.08 × 840.33
  4. Step 4: Simplify right side
    2,227.02x = 2,806,769.43
  5. Step 5: Solve for x
    x = 2,806,769.43/2,227.02
  6. Step 6: Final answer
    x = 1,260.33

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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.