Home / 1,679.10-2,513.85-1,631.10

Finding the Fourth Proportional to 1,679.10, 2,513.85 and 1,631.10

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Solution

The fourth proportional to 1,679.10, 2,513.85 and 1,631.10 is: 2,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.10 : 2,513.85 = 1,631.10 : x
  2. Step 2: Convert to fraction form
    1,679.10/2,513.85 = 1,631.10/x
  3. Step 3: Cross multiply
    1,679.10x = 2,513.85 × 1,631.10
  4. Step 4: Simplify right side
    1,679.10x = 4,100,340.74
  5. Step 5: Solve for x
    x = 4,100,340.74/1,679.10
  6. Step 6: Final answer
    x = 2,441.99

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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.