Home / 3,941.28-5,913.36-1,748.40

Finding the Fourth Proportional to 3,941.28, 5,913.36 and 1,748.40

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Solution

The fourth proportional to 3,941.28, 5,913.36 and 1,748.40 is: 2,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.28 : 5,913.36 = 1,748.40 : x
  2. Step 2: Convert to fraction form
    3,941.28/5,913.36 = 1,748.40/x
  3. Step 3: Cross multiply
    3,941.28x = 5,913.36 × 1,748.40
  4. Step 4: Simplify right side
    3,941.28x = 10,338,918.62
  5. Step 5: Solve for x
    x = 10,338,918.62/3,941.28
  6. Step 6: Final answer
    x = 2,623.24

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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.