Home / 3,777.19-5,212.53-2,098.70

Finding the Fourth Proportional to 3,777.19, 5,212.53 and 2,098.70

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Solution

The fourth proportional to 3,777.19, 5,212.53 and 2,098.70 is: 2,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.19 : 5,212.53 = 2,098.70 : x
  2. Step 2: Convert to fraction form
    3,777.19/5,212.53 = 2,098.70/x
  3. Step 3: Cross multiply
    3,777.19x = 5,212.53 × 2,098.70
  4. Step 4: Simplify right side
    3,777.19x = 10,939,564.13
  5. Step 5: Solve for x
    x = 10,939,564.13/3,777.19
  6. Step 6: Final answer
    x = 2,896.22

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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.