Home / 3,477.50-4,799.00-1,905.65

Finding the Fourth Proportional to 3,477.50, 4,799.00 and 1,905.65

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Solution

The fourth proportional to 3,477.50, 4,799.00 and 1,905.65 is: 2,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.50 : 4,799.00 = 1,905.65 : x
  2. Step 2: Convert to fraction form
    3,477.50/4,799.00 = 1,905.65/x
  3. Step 3: Cross multiply
    3,477.50x = 4,799.00 × 1,905.65
  4. Step 4: Simplify right side
    3,477.50x = 9,145,204.82
  5. Step 5: Solve for x
    x = 9,145,204.82/3,477.50
  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.