Home / 3,640.48-5,460.60-1,043.20

Finding the Fourth Proportional to 3,640.48, 5,460.60 and 1,043.20

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Solution

The fourth proportional to 3,640.48, 5,460.60 and 1,043.20 is: 1,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.48 : 5,460.60 = 1,043.20 : x
  2. Step 2: Convert to fraction form
    3,640.48/5,460.60 = 1,043.20/x
  3. Step 3: Cross multiply
    3,640.48x = 5,460.60 × 1,043.20
  4. Step 4: Simplify right side
    3,640.48x = 5,696,497.92
  5. Step 5: Solve for x
    x = 5,696,497.92/3,640.48
  6. Step 6: Final answer
    x = 1,564.77

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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.