Home / 1,621.74-2,238.26-1,032.47

Finding the Fourth Proportional to 1,621.74, 2,238.26 and 1,032.47

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Solution

The fourth proportional to 1,621.74, 2,238.26 and 1,032.47 is: 1,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.74 : 2,238.26 = 1,032.47 : x
  2. Step 2: Convert to fraction form
    1,621.74/2,238.26 = 1,032.47/x
  3. Step 3: Cross multiply
    1,621.74x = 2,238.26 × 1,032.47
  4. Step 4: Simplify right side
    1,621.74x = 2,310,936.30
  5. Step 5: Solve for x
    x = 2,310,936.30/1,621.74
  6. Step 6: Final answer
    x = 1,424.97

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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.