Home / 3,108.04-4,659.72-1,875.16

Finding the Fourth Proportional to 3,108.04, 4,659.72 and 1,875.16

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Solution

The fourth proportional to 3,108.04, 4,659.72 and 1,875.16 is: 2,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.04 : 4,659.72 = 1,875.16 : x
  2. Step 2: Convert to fraction form
    3,108.04/4,659.72 = 1,875.16/x
  3. Step 3: Cross multiply
    3,108.04x = 4,659.72 × 1,875.16
  4. Step 4: Simplify right side
    3,108.04x = 8,737,720.56
  5. Step 5: Solve for x
    x = 8,737,720.56/3,108.04
  6. Step 6: Final answer
    x = 2,811.33

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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.