Home / 3,412.04-5,114.88-1,333.40

Finding the Fourth Proportional to 3,412.04, 5,114.88 and 1,333.40

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Solution

The fourth proportional to 3,412.04, 5,114.88 and 1,333.40 is: 1,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.04 : 5,114.88 = 1,333.40 : x
  2. Step 2: Convert to fraction form
    3,412.04/5,114.88 = 1,333.40/x
  3. Step 3: Cross multiply
    3,412.04x = 5,114.88 × 1,333.40
  4. Step 4: Simplify right side
    3,412.04x = 6,820,180.99
  5. Step 5: Solve for x
    x = 6,820,180.99/3,412.04
  6. Step 6: Final answer
    x = 1,998.86

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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.