Home / 1,931.64-2,665.48-1,092.41

Finding the Fourth Proportional to 1,931.64, 2,665.48 and 1,092.41

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Solution

The fourth proportional to 1,931.64, 2,665.48 and 1,092.41 is: 1,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.64 : 2,665.48 = 1,092.41 : x
  2. Step 2: Convert to fraction form
    1,931.64/2,665.48 = 1,092.41/x
  3. Step 3: Cross multiply
    1,931.64x = 2,665.48 × 1,092.41
  4. Step 4: Simplify right side
    1,931.64x = 2,911,805.04
  5. Step 5: Solve for x
    x = 2,911,805.04/1,931.64
  6. Step 6: Final answer
    x = 1,507.43

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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.