Home / 3,815.21-5,265.45-2,323.34

Finding the Fourth Proportional to 3,815.21, 5,265.45 and 2,323.34

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Solution

The fourth proportional to 3,815.21, 5,265.45 and 2,323.34 is: 3,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.21 : 5,265.45 = 2,323.34 : x
  2. Step 2: Convert to fraction form
    3,815.21/5,265.45 = 2,323.34/x
  3. Step 3: Cross multiply
    3,815.21x = 5,265.45 × 2,323.34
  4. Step 4: Simplify right side
    3,815.21x = 12,233,424.02
  5. Step 5: Solve for x
    x = 12,233,424.02/3,815.21
  6. Step 6: Final answer
    x = 3,206.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.