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Finding the Fourth Proportional to 3,060.74, 4,223.81 and 1,801.79

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Solution

The fourth proportional to 3,060.74, 4,223.81 and 1,801.79 is: 2,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.74 : 4,223.81 = 1,801.79 : x
  2. Step 2: Convert to fraction form
    3,060.74/4,223.81 = 1,801.79/x
  3. Step 3: Cross multiply
    3,060.74x = 4,223.81 × 1,801.79
  4. Step 4: Simplify right side
    3,060.74x = 7,610,417.84
  5. Step 5: Solve for x
    x = 7,610,417.84/3,060.74
  6. Step 6: Final answer
    x = 2,486.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.