Home / 1,617.39-2,422.64-1,223.06

Finding the Fourth Proportional to 1,617.39, 2,422.64 and 1,223.06

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Solution

The fourth proportional to 1,617.39, 2,422.64 and 1,223.06 is: 1,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.39 : 2,422.64 = 1,223.06 : x
  2. Step 2: Convert to fraction form
    1,617.39/2,422.64 = 1,223.06/x
  3. Step 3: Cross multiply
    1,617.39x = 2,422.64 × 1,223.06
  4. Step 4: Simplify right side
    1,617.39x = 2,963,025.02
  5. Step 5: Solve for x
    x = 2,963,025.02/1,617.39
  6. Step 6: Final answer
    x = 1,831.98

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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.