Home / 3,640.52-5,461.64-1,043.39

Finding the Fourth Proportional to 3,640.52, 5,461.64 and 1,043.39

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Solution

The fourth proportional to 3,640.52, 5,461.64 and 1,043.39 is: 1,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.52 : 5,461.64 = 1,043.39 : x
  2. Step 2: Convert to fraction form
    3,640.52/5,461.64 = 1,043.39/x
  3. Step 3: Cross multiply
    3,640.52x = 5,461.64 × 1,043.39
  4. Step 4: Simplify right side
    3,640.52x = 5,698,615.34
  5. Step 5: Solve for x
    x = 5,698,615.34/3,640.52
  6. Step 6: Final answer
    x = 1,565.33

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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.