Home / 3,419.89-5,130.38-1,199.34

Finding the Fourth Proportional to 3,419.89, 5,130.38 and 1,199.34

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Solution

The fourth proportional to 3,419.89, 5,130.38 and 1,199.34 is: 1,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.89 : 5,130.38 = 1,199.34 : x
  2. Step 2: Convert to fraction form
    3,419.89/5,130.38 = 1,199.34/x
  3. Step 3: Cross multiply
    3,419.89x = 5,130.38 × 1,199.34
  4. Step 4: Simplify right side
    3,419.89x = 6,153,069.95
  5. Step 5: Solve for x
    x = 6,153,069.95/3,419.89
  6. Step 6: Final answer
    x = 1,799.20

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1.5x scale

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.