Home / 2,760.84-4,141.44-1,117.71

Finding the Fourth Proportional to 2,760.84, 4,141.44 and 1,117.71

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Solution

The fourth proportional to 2,760.84, 4,141.44 and 1,117.71 is: 1,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.84 : 4,141.44 = 1,117.71 : x
  2. Step 2: Convert to fraction form
    2,760.84/4,141.44 = 1,117.71/x
  3. Step 3: Cross multiply
    2,760.84x = 4,141.44 × 1,117.71
  4. Step 4: Simplify right side
    2,760.84x = 4,628,928.90
  5. Step 5: Solve for x
    x = 4,628,928.90/2,760.84
  6. Step 6: Final answer
    x = 1,676.64

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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.