Home / 3,821.81-5,732.51-1,628.93

Finding the Fourth Proportional to 3,821.81, 5,732.51 and 1,628.93

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Solution

The fourth proportional to 3,821.81, 5,732.51 and 1,628.93 is: 2,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.81 : 5,732.51 = 1,628.93 : x
  2. Step 2: Convert to fraction form
    3,821.81/5,732.51 = 1,628.93/x
  3. Step 3: Cross multiply
    3,821.81x = 5,732.51 × 1,628.93
  4. Step 4: Simplify right side
    3,821.81x = 9,337,863.70
  5. Step 5: Solve for x
    x = 9,337,863.70/3,821.81
  6. Step 6: Final answer
    x = 2,443.31

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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.