Home / 1,263.32-1,895.22-397.44

Finding the Fourth Proportional to 1,263.32, 1,895.22 and 397.44

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Solution

The fourth proportional to 1,263.32, 1,895.22 and 397.44 is: 596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.32 : 1,895.22 = 397.44 : x
  2. Step 2: Convert to fraction form
    1,263.32/1,895.22 = 397.44/x
  3. Step 3: Cross multiply
    1,263.32x = 1,895.22 × 397.44
  4. Step 4: Simplify right side
    1,263.32x = 753,236.24
  5. Step 5: Solve for x
    x = 753,236.24/1,263.32
  6. Step 6: Final answer
    x = 596.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.