Home / 2,307.10-3,183.80-1,645.11

Finding the Fourth Proportional to 2,307.10, 3,183.80 and 1,645.11

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Solution

The fourth proportional to 2,307.10, 3,183.80 and 1,645.11 is: 2,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.10 : 3,183.80 = 1,645.11 : x
  2. Step 2: Convert to fraction form
    2,307.10/3,183.80 = 1,645.11/x
  3. Step 3: Cross multiply
    2,307.10x = 3,183.80 × 1,645.11
  4. Step 4: Simplify right side
    2,307.10x = 5,237,685.30
  5. Step 5: Solve for x
    x = 5,237,685.30/2,307.10
  6. Step 6: Final answer
    x = 2,270.25

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1.5x scale

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.