Home / 1,931.24-2,664.09-1,134.41

Finding the Fourth Proportional to 1,931.24, 2,664.09 and 1,134.41

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Solution

The fourth proportional to 1,931.24, 2,664.09 and 1,134.41 is: 1,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.24 : 2,664.09 = 1,134.41 : x
  2. Step 2: Convert to fraction form
    1,931.24/2,664.09 = 1,134.41/x
  3. Step 3: Cross multiply
    1,931.24x = 2,664.09 × 1,134.41
  4. Step 4: Simplify right side
    1,931.24x = 3,022,157.02
  5. Step 5: Solve for x
    x = 3,022,157.02/1,931.24
  6. Step 6: Final answer
    x = 1,564.88

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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.