Home / 3,439.15-5,155.05-1,588.11

Finding the Fourth Proportional to 3,439.15, 5,155.05 and 1,588.11

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Solution

The fourth proportional to 3,439.15, 5,155.05 and 1,588.11 is: 2,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.15 : 5,155.05 = 1,588.11 : x
  2. Step 2: Convert to fraction form
    3,439.15/5,155.05 = 1,588.11/x
  3. Step 3: Cross multiply
    3,439.15x = 5,155.05 × 1,588.11
  4. Step 4: Simplify right side
    3,439.15x = 8,186,778.51
  5. Step 5: Solve for x
    x = 8,186,778.51/3,439.15
  6. Step 6: Final answer
    x = 2,380.47

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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.