Home / 3,477.61-4,799.06-1,905.76

Finding the Fourth Proportional to 3,477.61, 4,799.06 and 1,905.76

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Solution

The fourth proportional to 3,477.61, 4,799.06 and 1,905.76 is: 2,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.61 : 4,799.06 = 1,905.76 : x
  2. Step 2: Convert to fraction form
    3,477.61/4,799.06 = 1,905.76/x
  3. Step 3: Cross multiply
    3,477.61x = 4,799.06 × 1,905.76
  4. Step 4: Simplify right side
    3,477.61x = 9,145,832.59
  5. Step 5: Solve for x
    x = 9,145,832.59/3,477.61
  6. Step 6: Final answer
    x = 2,629.92

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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.