Home / 2,743.48-4,115.66-1,511.47

Finding the Fourth Proportional to 2,743.48, 4,115.66 and 1,511.47

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Solution

The fourth proportional to 2,743.48, 4,115.66 and 1,511.47 is: 2,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.48 : 4,115.66 = 1,511.47 : x
  2. Step 2: Convert to fraction form
    2,743.48/4,115.66 = 1,511.47/x
  3. Step 3: Cross multiply
    2,743.48x = 4,115.66 × 1,511.47
  4. Step 4: Simplify right side
    2,743.48x = 6,220,696.62
  5. Step 5: Solve for x
    x = 6,220,696.62/2,743.48
  6. Step 6: Final answer
    x = 2,267.45

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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.