Home / 3,150.21-4,347.11-1,823.82

Finding the Fourth Proportional to 3,150.21, 4,347.11 and 1,823.82

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Solution

The fourth proportional to 3,150.21, 4,347.11 and 1,823.82 is: 2,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.21 : 4,347.11 = 1,823.82 : x
  2. Step 2: Convert to fraction form
    3,150.21/4,347.11 = 1,823.82/x
  3. Step 3: Cross multiply
    3,150.21x = 4,347.11 × 1,823.82
  4. Step 4: Simplify right side
    3,150.21x = 7,928,337.04
  5. Step 5: Solve for x
    x = 7,928,337.04/3,150.21
  6. Step 6: Final answer
    x = 2,516.76

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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.