Home / 4,150.64-5,720.01-2,969.66

Finding the Fourth Proportional to 4,150.64, 5,720.01 and 2,969.66

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Solution

The fourth proportional to 4,150.64, 5,720.01 and 2,969.66 is: 4,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.64 : 5,720.01 = 2,969.66 : x
  2. Step 2: Convert to fraction form
    4,150.64/5,720.01 = 2,969.66/x
  3. Step 3: Cross multiply
    4,150.64x = 5,720.01 × 2,969.66
  4. Step 4: Simplify right side
    4,150.64x = 16,986,484.90
  5. Step 5: Solve for x
    x = 16,986,484.90/4,150.64
  6. Step 6: Final answer
    x = 4,092.50

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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.