Home / 3,380.51-5,064.05-2,646.65

Finding the Fourth Proportional to 3,380.51, 5,064.05 and 2,646.65

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Solution

The fourth proportional to 3,380.51, 5,064.05 and 2,646.65 is: 3,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.51 : 5,064.05 = 2,646.65 : x
  2. Step 2: Convert to fraction form
    3,380.51/5,064.05 = 2,646.65/x
  3. Step 3: Cross multiply
    3,380.51x = 5,064.05 × 2,646.65
  4. Step 4: Simplify right side
    3,380.51x = 13,402,787.21
  5. Step 5: Solve for x
    x = 13,402,787.21/3,380.51
  6. Step 6: Final answer
    x = 3,964.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.