Home / 1,635.31-2,256.17-927.08

Finding the Fourth Proportional to 1,635.31, 2,256.17 and 927.08

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Solution

The fourth proportional to 1,635.31, 2,256.17 and 927.08 is: 1,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.31 : 2,256.17 = 927.08 : x
  2. Step 2: Convert to fraction form
    1,635.31/2,256.17 = 927.08/x
  3. Step 3: Cross multiply
    1,635.31x = 2,256.17 × 927.08
  4. Step 4: Simplify right side
    1,635.31x = 2,091,650.08
  5. Step 5: Solve for x
    x = 2,091,650.08/1,635.31
  6. Step 6: Final answer
    x = 1,279.05

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1.5x scale

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.