Home / 1,635.41-2,256.82-927.32

Finding the Fourth Proportional to 1,635.41, 2,256.82 and 927.32

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Solution

The fourth proportional to 1,635.41, 2,256.82 and 927.32 is: 1,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.41 : 2,256.82 = 927.32 : x
  2. Step 2: Convert to fraction form
    1,635.41/2,256.82 = 927.32/x
  3. Step 3: Cross multiply
    1,635.41x = 2,256.82 × 927.32
  4. Step 4: Simplify right side
    1,635.41x = 2,092,793.16
  5. Step 5: Solve for x
    x = 2,092,793.16/1,635.41
  6. Step 6: Final answer
    x = 1,279.67

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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.