Home / 3,721.34-5,581.58-1,124.48

Finding the Fourth Proportional to 3,721.34, 5,581.58 and 1,124.48

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Solution

The fourth proportional to 3,721.34, 5,581.58 and 1,124.48 is: 1,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.34 : 5,581.58 = 1,124.48 : x
  2. Step 2: Convert to fraction form
    3,721.34/5,581.58 = 1,124.48/x
  3. Step 3: Cross multiply
    3,721.34x = 5,581.58 × 1,124.48
  4. Step 4: Simplify right side
    3,721.34x = 6,276,341.55
  5. Step 5: Solve for x
    x = 6,276,341.55/3,721.34
  6. Step 6: Final answer
    x = 1,686.58

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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.