Home / 3,214.03-4,434.99-1,816.78

Finding the Fourth Proportional to 3,214.03, 4,434.99 and 1,816.78

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Solution

The fourth proportional to 3,214.03, 4,434.99 and 1,816.78 is: 2,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.03 : 4,434.99 = 1,816.78 : x
  2. Step 2: Convert to fraction form
    3,214.03/4,434.99 = 1,816.78/x
  3. Step 3: Cross multiply
    3,214.03x = 4,434.99 × 1,816.78
  4. Step 4: Simplify right side
    3,214.03x = 8,057,401.13
  5. Step 5: Solve for x
    x = 8,057,401.13/3,214.03
  6. Step 6: Final answer
    x = 2,506.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.