Home / 3,580.99-5,349.61-2,851.38

Finding the Fourth Proportional to 3,580.99, 5,349.61 and 2,851.38

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Solution

The fourth proportional to 3,580.99, 5,349.61 and 2,851.38 is: 4,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.99 : 5,349.61 = 2,851.38 : x
  2. Step 2: Convert to fraction form
    3,580.99/5,349.61 = 2,851.38/x
  3. Step 3: Cross multiply
    3,580.99x = 5,349.61 × 2,851.38
  4. Step 4: Simplify right side
    3,580.99x = 15,253,774.53
  5. Step 5: Solve for x
    x = 15,253,774.53/3,580.99
  6. Step 6: Final answer
    x = 4,259.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.