Home / 1,755.17-2,422.32-1,009.16

Finding the Fourth Proportional to 1,755.17, 2,422.32 and 1,009.16

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Solution

The fourth proportional to 1,755.17, 2,422.32 and 1,009.16 is: 1,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.17 : 2,422.32 = 1,009.16 : x
  2. Step 2: Convert to fraction form
    1,755.17/2,422.32 = 1,009.16/x
  3. Step 3: Cross multiply
    1,755.17x = 2,422.32 × 1,009.16
  4. Step 4: Simplify right side
    1,755.17x = 2,444,508.45
  5. Step 5: Solve for x
    x = 2,444,508.45/1,755.17
  6. Step 6: Final answer
    x = 1,392.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.