Home / 3,914.74-5,870.18-1,938.08

Finding the Fourth Proportional to 3,914.74, 5,870.18 and 1,938.08

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Solution

The fourth proportional to 3,914.74, 5,870.18 and 1,938.08 is: 2,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.74 : 5,870.18 = 1,938.08 : x
  2. Step 2: Convert to fraction form
    3,914.74/5,870.18 = 1,938.08/x
  3. Step 3: Cross multiply
    3,914.74x = 5,870.18 × 1,938.08
  4. Step 4: Simplify right side
    3,914.74x = 11,376,897.98
  5. Step 5: Solve for x
    x = 11,376,897.98/3,914.74
  6. Step 6: Final answer
    x = 2,906.17

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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.