Home / 3,870.44-5,341.14-2,102.03

Finding the Fourth Proportional to 3,870.44, 5,341.14 and 2,102.03

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Solution

The fourth proportional to 3,870.44, 5,341.14 and 2,102.03 is: 2,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.44 : 5,341.14 = 2,102.03 : x
  2. Step 2: Convert to fraction form
    3,870.44/5,341.14 = 2,102.03/x
  3. Step 3: Cross multiply
    3,870.44x = 5,341.14 × 2,102.03
  4. Step 4: Simplify right side
    3,870.44x = 11,227,209.81
  5. Step 5: Solve for x
    x = 11,227,209.81/3,870.44
  6. Step 6: Final answer
    x = 2,900.76

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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.