Home / 3,900.13-5,852.51-1,436.68

Finding the Fourth Proportional to 3,900.13, 5,852.51 and 1,436.68

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Solution

The fourth proportional to 3,900.13, 5,852.51 and 1,436.68 is: 2,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.13 : 5,852.51 = 1,436.68 : x
  2. Step 2: Convert to fraction form
    3,900.13/5,852.51 = 1,436.68/x
  3. Step 3: Cross multiply
    3,900.13x = 5,852.51 × 1,436.68
  4. Step 4: Simplify right side
    3,900.13x = 8,408,184.07
  5. Step 5: Solve for x
    x = 8,408,184.07/3,900.13
  6. Step 6: Final answer
    x = 2,155.87

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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.