Home / 3,870.24-5,806.68-1,677.84

Finding the Fourth Proportional to 3,870.24, 5,806.68 and 1,677.84

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Solution

The fourth proportional to 3,870.24, 5,806.68 and 1,677.84 is: 2,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.24 : 5,806.68 = 1,677.84 : x
  2. Step 2: Convert to fraction form
    3,870.24/5,806.68 = 1,677.84/x
  3. Step 3: Cross multiply
    3,870.24x = 5,806.68 × 1,677.84
  4. Step 4: Simplify right side
    3,870.24x = 9,742,679.97
  5. Step 5: Solve for x
    x = 9,742,679.97/3,870.24
  6. Step 6: Final answer
    x = 2,517.33

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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.