Home / 1,027.11-1,541.24-637.32

Finding the Fourth Proportional to 1,027.11, 1,541.24 and 637.32

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Solution

The fourth proportional to 1,027.11, 1,541.24 and 637.32 is: 956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.11 : 1,541.24 = 637.32 : x
  2. Step 2: Convert to fraction form
    1,027.11/1,541.24 = 637.32/x
  3. Step 3: Cross multiply
    1,027.11x = 1,541.24 × 637.32
  4. Step 4: Simplify right side
    1,027.11x = 982,268.06
  5. Step 5: Solve for x
    x = 982,268.06/1,027.11
  6. Step 6: Final answer
    x = 956.34

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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.