Home / 4,145.80-5,719.08-2,551.90

Finding the Fourth Proportional to 4,145.80, 5,719.08 and 2,551.90

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Solution

The fourth proportional to 4,145.80, 5,719.08 and 2,551.90 is: 3,520.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.80 : 5,719.08 = 2,551.90 : x
  2. Step 2: Convert to fraction form
    4,145.80/5,719.08 = 2,551.90/x
  3. Step 3: Cross multiply
    4,145.80x = 5,719.08 × 2,551.90
  4. Step 4: Simplify right side
    4,145.80x = 14,594,520.25
  5. Step 5: Solve for x
    x = 14,594,520.25/4,145.80
  6. Step 6: Final answer
    x = 3,520.31

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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.