Home / 3,705.13-5,113.08-2,049.13

Finding the Fourth Proportional to 3,705.13, 5,113.08 and 2,049.13

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Solution

The fourth proportional to 3,705.13, 5,113.08 and 2,049.13 is: 2,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.13 : 5,113.08 = 2,049.13 : x
  2. Step 2: Convert to fraction form
    3,705.13/5,113.08 = 2,049.13/x
  3. Step 3: Cross multiply
    3,705.13x = 5,113.08 × 2,049.13
  4. Step 4: Simplify right side
    3,705.13x = 10,477,365.62
  5. Step 5: Solve for x
    x = 10,477,365.62/3,705.13
  6. Step 6: Final answer
    x = 2,827.80

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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.