Home / 1,746.19-2,620.56-1,089.06

Finding the Fourth Proportional to 1,746.19, 2,620.56 and 1,089.06

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Solution

The fourth proportional to 1,746.19, 2,620.56 and 1,089.06 is: 1,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.19 : 2,620.56 = 1,089.06 : x
  2. Step 2: Convert to fraction form
    1,746.19/2,620.56 = 1,089.06/x
  3. Step 3: Cross multiply
    1,746.19x = 2,620.56 × 1,089.06
  4. Step 4: Simplify right side
    1,746.19x = 2,853,947.07
  5. Step 5: Solve for x
    x = 2,853,947.07/1,746.19
  6. Step 6: Final answer
    x = 1,634.39

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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.