Home / 2,858.10-3,947.96-2,300.66

Finding the Fourth Proportional to 2,858.10, 3,947.96 and 2,300.66

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Solution

The fourth proportional to 2,858.10, 3,947.96 and 2,300.66 is: 3,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.10 : 3,947.96 = 2,300.66 : x
  2. Step 2: Convert to fraction form
    2,858.10/3,947.96 = 2,300.66/x
  3. Step 3: Cross multiply
    2,858.10x = 3,947.96 × 2,300.66
  4. Step 4: Simplify right side
    2,858.10x = 9,082,882.41
  5. Step 5: Solve for x
    x = 9,082,882.41/2,858.10
  6. Step 6: Final answer
    x = 3,177.94

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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.