Home / 2,407.93-3,612.70-1,311.69

Finding the Fourth Proportional to 2,407.93, 3,612.70 and 1,311.69

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Solution

The fourth proportional to 2,407.93, 3,612.70 and 1,311.69 is: 1,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.93 : 3,612.70 = 1,311.69 : x
  2. Step 2: Convert to fraction form
    2,407.93/3,612.70 = 1,311.69/x
  3. Step 3: Cross multiply
    2,407.93x = 3,612.70 × 1,311.69
  4. Step 4: Simplify right side
    2,407.93x = 4,738,757.65
  5. Step 5: Solve for x
    x = 4,738,757.65/2,407.93
  6. Step 6: Final answer
    x = 1,967.98

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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.