Home / 4,145.56-5,720.52-2,443.80

Finding the Fourth Proportional to 4,145.56, 5,720.52 and 2,443.80

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Solution

The fourth proportional to 4,145.56, 5,720.52 and 2,443.80 is: 3,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.56 : 5,720.52 = 2,443.80 : x
  2. Step 2: Convert to fraction form
    4,145.56/5,720.52 = 2,443.80/x
  3. Step 3: Cross multiply
    4,145.56x = 5,720.52 × 2,443.80
  4. Step 4: Simplify right side
    4,145.56x = 13,979,806.78
  5. Step 5: Solve for x
    x = 13,979,806.78/4,145.56
  6. Step 6: Final answer
    x = 3,372.24

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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.