Home / 2,307.46-3,183.87-1,312.66

Finding the Fourth Proportional to 2,307.46, 3,183.87 and 1,312.66

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Solution

The fourth proportional to 2,307.46, 3,183.87 and 1,312.66 is: 1,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.46 : 3,183.87 = 1,312.66 : x
  2. Step 2: Convert to fraction form
    2,307.46/3,183.87 = 1,312.66/x
  3. Step 3: Cross multiply
    2,307.46x = 3,183.87 × 1,312.66
  4. Step 4: Simplify right side
    2,307.46x = 4,179,338.79
  5. Step 5: Solve for x
    x = 4,179,338.79/2,307.46
  6. Step 6: Final answer
    x = 1,811.23

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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.