Home / 1,635.00-2,256.15-926.68

Finding the Fourth Proportional to 1,635.00, 2,256.15 and 926.68

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Solution

The fourth proportional to 1,635.00, 2,256.15 and 926.68 is: 1,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.00 : 2,256.15 = 926.68 : x
  2. Step 2: Convert to fraction form
    1,635.00/2,256.15 = 926.68/x
  3. Step 3: Cross multiply
    1,635.00x = 2,256.15 × 926.68
  4. Step 4: Simplify right side
    1,635.00x = 2,090,725.76
  5. Step 5: Solve for x
    x = 2,090,725.76/1,635.00
  6. Step 6: Final answer
    x = 1,278.74

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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.