Home / 1,637.12-2,453.64-944.36

Finding the Fourth Proportional to 1,637.12, 2,453.64 and 944.36

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Solution

The fourth proportional to 1,637.12, 2,453.64 and 944.36 is: 1,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.12 : 2,453.64 = 944.36 : x
  2. Step 2: Convert to fraction form
    1,637.12/2,453.64 = 944.36/x
  3. Step 3: Cross multiply
    1,637.12x = 2,453.64 × 944.36
  4. Step 4: Simplify right side
    1,637.12x = 2,317,119.47
  5. Step 5: Solve for x
    x = 2,317,119.47/1,637.12
  6. Step 6: Final answer
    x = 1,415.36

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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.