Home / 1,343.16-2,011.46-793.70

Finding the Fourth Proportional to 1,343.16, 2,011.46 and 793.70

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Solution

The fourth proportional to 1,343.16, 2,011.46 and 793.70 is: 1,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.16 : 2,011.46 = 793.70 : x
  2. Step 2: Convert to fraction form
    1,343.16/2,011.46 = 793.70/x
  3. Step 3: Cross multiply
    1,343.16x = 2,011.46 × 793.70
  4. Step 4: Simplify right side
    1,343.16x = 1,596,495.80
  5. Step 5: Solve for x
    x = 1,596,495.80/1,343.16
  6. Step 6: Final answer
    x = 1,188.61

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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.