Home / 3,890.81-5,833.85-1,551.17

Finding the Fourth Proportional to 3,890.81, 5,833.85 and 1,551.17

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Solution

The fourth proportional to 3,890.81, 5,833.85 and 1,551.17 is: 2,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.81 : 5,833.85 = 1,551.17 : x
  2. Step 2: Convert to fraction form
    3,890.81/5,833.85 = 1,551.17/x
  3. Step 3: Cross multiply
    3,890.81x = 5,833.85 × 1,551.17
  4. Step 4: Simplify right side
    3,890.81x = 9,049,282.40
  5. Step 5: Solve for x
    x = 9,049,282.40/3,890.81
  6. Step 6: Final answer
    x = 2,325.81

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1.5x scale

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.