Home / 4,145.70-5,720.66-2,377.05

Finding the Fourth Proportional to 4,145.70, 5,720.66 and 2,377.05

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Solution

The fourth proportional to 4,145.70, 5,720.66 and 2,377.05 is: 3,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.70 : 5,720.66 = 2,377.05 : x
  2. Step 2: Convert to fraction form
    4,145.70/5,720.66 = 2,377.05/x
  3. Step 3: Cross multiply
    4,145.70x = 5,720.66 × 2,377.05
  4. Step 4: Simplify right side
    4,145.70x = 13,598,282.97
  5. Step 5: Solve for x
    x = 13,598,282.97/4,145.70
  6. Step 6: Final answer
    x = 3,280.09

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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.