Home / 3,477.60-4,799.06-1,905.68

Finding the Fourth Proportional to 3,477.60, 4,799.06 and 1,905.68

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Solution

The fourth proportional to 3,477.60, 4,799.06 and 1,905.68 is: 2,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.60 : 4,799.06 = 1,905.68 : x
  2. Step 2: Convert to fraction form
    3,477.60/4,799.06 = 1,905.68/x
  3. Step 3: Cross multiply
    3,477.60x = 4,799.06 × 1,905.68
  4. Step 4: Simplify right side
    3,477.60x = 9,145,472.66
  5. Step 5: Solve for x
    x = 9,145,472.66/3,477.60
  6. Step 6: Final answer
    x = 2,629.82

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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.