Home / 2,853.28-4,276.27-1,208.17

Finding the Fourth Proportional to 2,853.28, 4,276.27 and 1,208.17

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Solution

The fourth proportional to 2,853.28, 4,276.27 and 1,208.17 is: 1,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.28 : 4,276.27 = 1,208.17 : x
  2. Step 2: Convert to fraction form
    2,853.28/4,276.27 = 1,208.17/x
  3. Step 3: Cross multiply
    2,853.28x = 4,276.27 × 1,208.17
  4. Step 4: Simplify right side
    2,853.28x = 5,166,461.13
  5. Step 5: Solve for x
    x = 5,166,461.13/2,853.28
  6. Step 6: Final answer
    x = 1,810.71

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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.