Home / 3,541.28-5,307.14-1,348.81

Finding the Fourth Proportional to 3,541.28, 5,307.14 and 1,348.81

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Solution

The fourth proportional to 3,541.28, 5,307.14 and 1,348.81 is: 2,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.28 : 5,307.14 = 1,348.81 : x
  2. Step 2: Convert to fraction form
    3,541.28/5,307.14 = 1,348.81/x
  3. Step 3: Cross multiply
    3,541.28x = 5,307.14 × 1,348.81
  4. Step 4: Simplify right side
    3,541.28x = 7,158,316.76
  5. Step 5: Solve for x
    x = 7,158,316.76/3,541.28
  6. Step 6: Final answer
    x = 2,021.39

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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.