Home / 4,160.05-5,740.64-2,271.60

Finding the Fourth Proportional to 4,160.05, 5,740.64 and 2,271.60

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Solution

The fourth proportional to 4,160.05, 5,740.64 and 2,271.60 is: 3,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.05 : 5,740.64 = 2,271.60 : x
  2. Step 2: Convert to fraction form
    4,160.05/5,740.64 = 2,271.60/x
  3. Step 3: Cross multiply
    4,160.05x = 5,740.64 × 2,271.60
  4. Step 4: Simplify right side
    4,160.05x = 13,040,434.98
  5. Step 5: Solve for x
    x = 13,040,434.98/4,160.05
  6. Step 6: Final answer
    x = 3,134.68

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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.