Home / 1,292.04-1,939.43-1,063.32

Finding the Fourth Proportional to 1,292.04, 1,939.43 and 1,063.32

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Solution

The fourth proportional to 1,292.04, 1,939.43 and 1,063.32 is: 1,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292.04 : 1,939.43 = 1,063.32 : x
  2. Step 2: Convert to fraction form
    1,292.04/1,939.43 = 1,063.32/x
  3. Step 3: Cross multiply
    1,292.04x = 1,939.43 × 1,063.32
  4. Step 4: Simplify right side
    1,292.04x = 2,062,234.71
  5. Step 5: Solve for x
    x = 2,062,234.71/1,292.04
  6. Step 6: Final answer
    x = 1,596.11

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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.