Home / 3,168.35-4,752.52-1,412.90

Finding the Fourth Proportional to 3,168.35, 4,752.52 and 1,412.90

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Solution

The fourth proportional to 3,168.35, 4,752.52 and 1,412.90 is: 2,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.35 : 4,752.52 = 1,412.90 : x
  2. Step 2: Convert to fraction form
    3,168.35/4,752.52 = 1,412.90/x
  3. Step 3: Cross multiply
    3,168.35x = 4,752.52 × 1,412.90
  4. Step 4: Simplify right side
    3,168.35x = 6,714,808.21
  5. Step 5: Solve for x
    x = 6,714,808.21/3,168.35
  6. Step 6: Final answer
    x = 2,119.34

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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.