Home / 2,307.18-3,183.99-1,312.44

Finding the Fourth Proportional to 2,307.18, 3,183.99 and 1,312.44

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Solution

The fourth proportional to 2,307.18, 3,183.99 and 1,312.44 is: 1,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.18 : 3,183.99 = 1,312.44 : x
  2. Step 2: Convert to fraction form
    2,307.18/3,183.99 = 1,312.44/x
  3. Step 3: Cross multiply
    2,307.18x = 3,183.99 × 1,312.44
  4. Step 4: Simplify right side
    2,307.18x = 4,178,773.35
  5. Step 5: Solve for x
    x = 4,178,773.35/2,307.18
  6. Step 6: Final answer
    x = 1,811.20

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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.