Home / 3,411.01-5,115.24-1,189.27

Finding the Fourth Proportional to 3,411.01, 5,115.24 and 1,189.27

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Solution

The fourth proportional to 3,411.01, 5,115.24 and 1,189.27 is: 1,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.01 : 5,115.24 = 1,189.27 : x
  2. Step 2: Convert to fraction form
    3,411.01/5,115.24 = 1,189.27/x
  3. Step 3: Cross multiply
    3,411.01x = 5,115.24 × 1,189.27
  4. Step 4: Simplify right side
    3,411.01x = 6,083,422.53
  5. Step 5: Solve for x
    x = 6,083,422.53/3,411.01
  6. Step 6: Final answer
    x = 1,783.47

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1.5x scale

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.