Home / 1,729.58-2,386.44-1,066.22

Finding the Fourth Proportional to 1,729.58, 2,386.44 and 1,066.22

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Solution

The fourth proportional to 1,729.58, 2,386.44 and 1,066.22 is: 1,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.58 : 2,386.44 = 1,066.22 : x
  2. Step 2: Convert to fraction form
    1,729.58/2,386.44 = 1,066.22/x
  3. Step 3: Cross multiply
    1,729.58x = 2,386.44 × 1,066.22
  4. Step 4: Simplify right side
    1,729.58x = 2,544,470.06
  5. Step 5: Solve for x
    x = 2,544,470.06/1,729.58
  6. Step 6: Final answer
    x = 1,471.15

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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.