Home / 2,900.28-4,349.85-1,144.80

Finding the Fourth Proportional to 2,900.28, 4,349.85 and 1,144.80

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Solution

The fourth proportional to 2,900.28, 4,349.85 and 1,144.80 is: 1,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.28 : 4,349.85 = 1,144.80 : x
  2. Step 2: Convert to fraction form
    2,900.28/4,349.85 = 1,144.80/x
  3. Step 3: Cross multiply
    2,900.28x = 4,349.85 × 1,144.80
  4. Step 4: Simplify right side
    2,900.28x = 4,979,708.28
  5. Step 5: Solve for x
    x = 4,979,708.28/2,900.28
  6. Step 6: Final answer
    x = 1,716.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.