Home / 1,621.44-2,442.13-1,507.37

Finding the Fourth Proportional to 1,621.44, 2,442.13 and 1,507.37

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Solution

The fourth proportional to 1,621.44, 2,442.13 and 1,507.37 is: 2,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.44 : 2,442.13 = 1,507.37 : x
  2. Step 2: Convert to fraction form
    1,621.44/2,442.13 = 1,507.37/x
  3. Step 3: Cross multiply
    1,621.44x = 2,442.13 × 1,507.37
  4. Step 4: Simplify right side
    1,621.44x = 3,681,174.69
  5. Step 5: Solve for x
    x = 3,681,174.69/1,621.44
  6. Step 6: Final answer
    x = 2,270.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.