Home / 2,420.75-3,624.26-1,895.87

Finding the Fourth Proportional to 2,420.75, 3,624.26 and 1,895.87

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Solution

The fourth proportional to 2,420.75, 3,624.26 and 1,895.87 is: 2,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.75 : 3,624.26 = 1,895.87 : x
  2. Step 2: Convert to fraction form
    2,420.75/3,624.26 = 1,895.87/x
  3. Step 3: Cross multiply
    2,420.75x = 3,624.26 × 1,895.87
  4. Step 4: Simplify right side
    2,420.75x = 6,871,098.21
  5. Step 5: Solve for x
    x = 6,871,098.21/2,420.75
  6. Step 6: Final answer
    x = 2,838.42

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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.