Home / 3,580.48-5,371.04-1,389.76

Finding the Fourth Proportional to 3,580.48, 5,371.04 and 1,389.76

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Solution

The fourth proportional to 3,580.48, 5,371.04 and 1,389.76 is: 2,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.48 : 5,371.04 = 1,389.76 : x
  2. Step 2: Convert to fraction form
    3,580.48/5,371.04 = 1,389.76/x
  3. Step 3: Cross multiply
    3,580.48x = 5,371.04 × 1,389.76
  4. Step 4: Simplify right side
    3,580.48x = 7,464,456.55
  5. Step 5: Solve for x
    x = 7,464,456.55/3,580.48
  6. Step 6: Final answer
    x = 2,084.76

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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.