Home / 2,307.10-3,183.90-1,312.48

Finding the Fourth Proportional to 2,307.10, 3,183.90 and 1,312.48

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Solution

The fourth proportional to 2,307.10, 3,183.90 and 1,312.48 is: 1,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.10 : 3,183.90 = 1,312.48 : x
  2. Step 2: Convert to fraction form
    2,307.10/3,183.90 = 1,312.48/x
  3. Step 3: Cross multiply
    2,307.10x = 3,183.90 × 1,312.48
  4. Step 4: Simplify right side
    2,307.10x = 4,178,805.07
  5. Step 5: Solve for x
    x = 4,178,805.07/2,307.10
  6. Step 6: Final answer
    x = 1,811.28

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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.