Home / 2,805.39-4,206.57-1,160.91

Finding the Fourth Proportional to 2,805.39, 4,206.57 and 1,160.91

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Solution

The fourth proportional to 2,805.39, 4,206.57 and 1,160.91 is: 1,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.39 : 4,206.57 = 1,160.91 : x
  2. Step 2: Convert to fraction form
    2,805.39/4,206.57 = 1,160.91/x
  3. Step 3: Cross multiply
    2,805.39x = 4,206.57 × 1,160.91
  4. Step 4: Simplify right side
    2,805.39x = 4,883,449.18
  5. Step 5: Solve for x
    x = 4,883,449.18/2,805.39
  6. Step 6: Final answer
    x = 1,740.74

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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.