Home / 1,637.22-2,454.66-1,347.47

Finding the Fourth Proportional to 1,637.22, 2,454.66 and 1,347.47

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Solution

The fourth proportional to 1,637.22, 2,454.66 and 1,347.47 is: 2,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.22 : 2,454.66 = 1,347.47 : x
  2. Step 2: Convert to fraction form
    1,637.22/2,454.66 = 1,347.47/x
  3. Step 3: Cross multiply
    1,637.22x = 2,454.66 × 1,347.47
  4. Step 4: Simplify right side
    1,637.22x = 3,307,568.44
  5. Step 5: Solve for x
    x = 3,307,568.44/1,637.22
  6. Step 6: Final answer
    x = 2,020.23

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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.