Home / 4,128.21-5,697.51-2,359.92

Finding the Fourth Proportional to 4,128.21, 5,697.51 and 2,359.92

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Solution

The fourth proportional to 4,128.21, 5,697.51 and 2,359.92 is: 3,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.21 : 5,697.51 = 2,359.92 : x
  2. Step 2: Convert to fraction form
    4,128.21/5,697.51 = 2,359.92/x
  3. Step 3: Cross multiply
    4,128.21x = 5,697.51 × 2,359.92
  4. Step 4: Simplify right side
    4,128.21x = 13,445,667.80
  5. Step 5: Solve for x
    x = 13,445,667.80/4,128.21
  6. Step 6: Final answer
    x = 3,257.02

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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.