Home / 3,477.56-4,799.01-1,905.66

Finding the Fourth Proportional to 3,477.56, 4,799.01 and 1,905.66

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Solution

The fourth proportional to 3,477.56, 4,799.01 and 1,905.66 is: 2,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.56 : 4,799.01 = 1,905.66 : x
  2. Step 2: Convert to fraction form
    3,477.56/4,799.01 = 1,905.66/x
  3. Step 3: Cross multiply
    3,477.56x = 4,799.01 × 1,905.66
  4. Step 4: Simplify right side
    3,477.56x = 9,145,281.40
  5. Step 5: Solve for x
    x = 9,145,281.40/3,477.56
  6. Step 6: Final answer
    x = 2,629.80

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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.