Home / 3,511.49-4,845-2,095.70

Finding the Fourth Proportional to 3,511.49, 4,845 and 2,095.70

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Solution

The fourth proportional to 3,511.49, 4,845 and 2,095.70 is: 2,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.49 : 4,845 = 2,095.70 : x
  2. Step 2: Convert to fraction form
    3,511.49/4,845 = 2,095.70/x
  3. Step 3: Cross multiply
    3,511.49x = 4,845 × 2,095.70
  4. Step 4: Simplify right side
    3,511.49x = 10,153,678.61
  5. Step 5: Solve for x
    x = 10,153,678.61/3,511.49
  6. Step 6: Final answer
    x = 2,891.56

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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.