Home / 2,721.48-3,750.60-2,222.52

Finding the Fourth Proportional to 2,721.48, 3,750.60 and 2,222.52

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Solution

The fourth proportional to 2,721.48, 3,750.60 and 2,222.52 is: 3,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.48 : 3,750.60 = 2,222.52 : x
  2. Step 2: Convert to fraction form
    2,721.48/3,750.60 = 2,222.52/x
  3. Step 3: Cross multiply
    2,721.48x = 3,750.60 × 2,222.52
  4. Step 4: Simplify right side
    2,721.48x = 8,335,783.51
  5. Step 5: Solve for x
    x = 8,335,783.51/2,721.48
  6. Step 6: Final answer
    x = 3,062.96

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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.