Home / 3,062.49-4,227.20-1,803.45

Finding the Fourth Proportional to 3,062.49, 4,227.20 and 1,803.45

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Solution

The fourth proportional to 3,062.49, 4,227.20 and 1,803.45 is: 2,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.49 : 4,227.20 = 1,803.45 : x
  2. Step 2: Convert to fraction form
    3,062.49/4,227.20 = 1,803.45/x
  3. Step 3: Cross multiply
    3,062.49x = 4,227.20 × 1,803.45
  4. Step 4: Simplify right side
    3,062.49x = 7,623,534.82
  5. Step 5: Solve for x
    x = 7,623,534.82/3,062.49
  6. Step 6: Final answer
    x = 2,489.33

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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.