Home / 2,839.52-4,259.30-2,715.60

Finding the Fourth Proportional to 2,839.52, 4,259.30 and 2,715.60

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Solution

The fourth proportional to 2,839.52, 4,259.30 and 2,715.60 is: 4,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.52 : 4,259.30 = 2,715.60 : x
  2. Step 2: Convert to fraction form
    2,839.52/4,259.30 = 2,715.60/x
  3. Step 3: Cross multiply
    2,839.52x = 4,259.30 × 2,715.60
  4. Step 4: Simplify right side
    2,839.52x = 11,566,555.08
  5. Step 5: Solve for x
    x = 11,566,555.08/2,839.52
  6. Step 6: Final answer
    x = 4,073.42

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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.