Home / 3,380.50-4,665.08-1,888.42

Finding the Fourth Proportional to 3,380.50, 4,665.08 and 1,888.42

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Solution

The fourth proportional to 3,380.50, 4,665.08 and 1,888.42 is: 2,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.50 : 4,665.08 = 1,888.42 : x
  2. Step 2: Convert to fraction form
    3,380.50/4,665.08 = 1,888.42/x
  3. Step 3: Cross multiply
    3,380.50x = 4,665.08 × 1,888.42
  4. Step 4: Simplify right side
    3,380.50x = 8,809,620.93
  5. Step 5: Solve for x
    x = 8,809,620.93/3,380.50
  6. Step 6: Final answer
    x = 2,606.01

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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.