Home / 2,049.14-2,827.84-1,117.64

Finding the Fourth Proportional to 2,049.14, 2,827.84 and 1,117.64

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Solution

The fourth proportional to 2,049.14, 2,827.84 and 1,117.64 is: 1,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.14 : 2,827.84 = 1,117.64 : x
  2. Step 2: Convert to fraction form
    2,049.14/2,827.84 = 1,117.64/x
  3. Step 3: Cross multiply
    2,049.14x = 2,827.84 × 1,117.64
  4. Step 4: Simplify right side
    2,049.14x = 3,160,507.10
  5. Step 5: Solve for x
    x = 3,160,507.10/2,049.14
  6. Step 6: Final answer
    x = 1,542.36

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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.