Home / 3,145.32-4,338.63-2,025.02

Finding the Fourth Proportional to 3,145.32, 4,338.63 and 2,025.02

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Solution

The fourth proportional to 3,145.32, 4,338.63 and 2,025.02 is: 2,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.32 : 4,338.63 = 2,025.02 : x
  2. Step 2: Convert to fraction form
    3,145.32/4,338.63 = 2,025.02/x
  3. Step 3: Cross multiply
    3,145.32x = 4,338.63 × 2,025.02
  4. Step 4: Simplify right side
    3,145.32x = 8,785,823.37
  5. Step 5: Solve for x
    x = 8,785,823.37/3,145.32
  6. Step 6: Final answer
    x = 2,793.30

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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.