Home / 4,133.76-5,704.08-2,455.20

Finding the Fourth Proportional to 4,133.76, 5,704.08 and 2,455.20

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Solution

The fourth proportional to 4,133.76, 5,704.08 and 2,455.20 is: 3,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,133.76 : 5,704.08 = 2,455.20 : x
  2. Step 2: Convert to fraction form
    4,133.76/5,704.08 = 2,455.20/x
  3. Step 3: Cross multiply
    4,133.76x = 5,704.08 × 2,455.20
  4. Step 4: Simplify right side
    4,133.76x = 14,004,657.22
  5. Step 5: Solve for x
    x = 14,004,657.22/4,133.76
  6. Step 6: Final answer
    x = 3,387.87

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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.