Home / 3,416.76-5,125.14-1,887.48

Finding the Fourth Proportional to 3,416.76, 5,125.14 and 1,887.48

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Solution

The fourth proportional to 3,416.76, 5,125.14 and 1,887.48 is: 2,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.76 : 5,125.14 = 1,887.48 : x
  2. Step 2: Convert to fraction form
    3,416.76/5,125.14 = 1,887.48/x
  3. Step 3: Cross multiply
    3,416.76x = 5,125.14 × 1,887.48
  4. Step 4: Simplify right side
    3,416.76x = 9,673,599.25
  5. Step 5: Solve for x
    x = 9,673,599.25/3,416.76
  6. Step 6: Final answer
    x = 2,831.22

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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.