Home / 1,755.09-2,422.01-1,009.49

Finding the Fourth Proportional to 1,755.09, 2,422.01 and 1,009.49

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Solution

The fourth proportional to 1,755.09, 2,422.01 and 1,009.49 is: 1,393.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.09 : 2,422.01 = 1,009.49 : x
  2. Step 2: Convert to fraction form
    1,755.09/2,422.01 = 1,009.49/x
  3. Step 3: Cross multiply
    1,755.09x = 2,422.01 × 1,009.49
  4. Step 4: Simplify right side
    1,755.09x = 2,444,977.72
  5. Step 5: Solve for x
    x = 2,444,977.72/1,755.09
  6. Step 6: Final answer
    x = 1,393.08

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1.5x scale

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.