Home / 4,172.05-5,757.10-2,403.80

Finding the Fourth Proportional to 4,172.05, 5,757.10 and 2,403.80

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Solution

The fourth proportional to 4,172.05, 5,757.10 and 2,403.80 is: 3,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.05 : 5,757.10 = 2,403.80 : x
  2. Step 2: Convert to fraction form
    4,172.05/5,757.10 = 2,403.80/x
  3. Step 3: Cross multiply
    4,172.05x = 5,757.10 × 2,403.80
  4. Step 4: Simplify right side
    4,172.05x = 13,838,876.18
  5. Step 5: Solve for x
    x = 13,838,876.18/4,172.05
  6. Step 6: Final answer
    x = 3,317.04

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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.