Home / 3,795.49-5,240.19-2,909.62

Finding the Fourth Proportional to 3,795.49, 5,240.19 and 2,909.62

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Solution

The fourth proportional to 3,795.49, 5,240.19 and 2,909.62 is: 4,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.49 : 5,240.19 = 2,909.62 : x
  2. Step 2: Convert to fraction form
    3,795.49/5,240.19 = 2,909.62/x
  3. Step 3: Cross multiply
    3,795.49x = 5,240.19 × 2,909.62
  4. Step 4: Simplify right side
    3,795.49x = 15,246,961.63
  5. Step 5: Solve for x
    x = 15,246,961.63/3,795.49
  6. Step 6: Final answer
    x = 4,017.13

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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.