Home / 3,722.48-5,582.64-1,126.16

Finding the Fourth Proportional to 3,722.48, 5,582.64 and 1,126.16

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Solution

The fourth proportional to 3,722.48, 5,582.64 and 1,126.16 is: 1,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.48 : 5,582.64 = 1,126.16 : x
  2. Step 2: Convert to fraction form
    3,722.48/5,582.64 = 1,126.16/x
  3. Step 3: Cross multiply
    3,722.48x = 5,582.64 × 1,126.16
  4. Step 4: Simplify right side
    3,722.48x = 6,286,945.86
  5. Step 5: Solve for x
    x = 6,286,945.86/3,722.48
  6. Step 6: Final answer
    x = 1,688.91

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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.