Home / 1,743.53-2,399.80-1,577.39

Finding the Fourth Proportional to 1,743.53, 2,399.80 and 1,577.39

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Solution

The fourth proportional to 1,743.53, 2,399.80 and 1,577.39 is: 2,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.53 : 2,399.80 = 1,577.39 : x
  2. Step 2: Convert to fraction form
    1,743.53/2,399.80 = 1,577.39/x
  3. Step 3: Cross multiply
    1,743.53x = 2,399.80 × 1,577.39
  4. Step 4: Simplify right side
    1,743.53x = 3,785,420.52
  5. Step 5: Solve for x
    x = 3,785,420.52/1,743.53
  6. Step 6: Final answer
    x = 2,171.12

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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.