Home / 3,419.36-5,130.66-1,775.04

Finding the Fourth Proportional to 3,419.36, 5,130.66 and 1,775.04

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Solution

The fourth proportional to 3,419.36, 5,130.66 and 1,775.04 is: 2,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.36 : 5,130.66 = 1,775.04 : x
  2. Step 2: Convert to fraction form
    3,419.36/5,130.66 = 1,775.04/x
  3. Step 3: Cross multiply
    3,419.36x = 5,130.66 × 1,775.04
  4. Step 4: Simplify right side
    3,419.36x = 9,107,126.73
  5. Step 5: Solve for x
    x = 9,107,126.73/3,419.36
  6. Step 6: Final answer
    x = 2,663.40

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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.