Home / 2,025.64-2,798.38-1,604.64

Finding the Fourth Proportional to 2,025.64, 2,798.38 and 1,604.64

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Solution

The fourth proportional to 2,025.64, 2,798.38 and 1,604.64 is: 2,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.64 : 2,798.38 = 1,604.64 : x
  2. Step 2: Convert to fraction form
    2,025.64/2,798.38 = 1,604.64/x
  3. Step 3: Cross multiply
    2,025.64x = 2,798.38 × 1,604.64
  4. Step 4: Simplify right side
    2,025.64x = 4,490,392.48
  5. Step 5: Solve for x
    x = 4,490,392.48/2,025.64
  6. Step 6: Final answer
    x = 2,216.78

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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.