Home / 4,081.08-5,631.93-2,509.20

Finding the Fourth Proportional to 4,081.08, 5,631.93 and 2,509.20

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Solution

The fourth proportional to 4,081.08, 5,631.93 and 2,509.20 is: 3,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.08 : 5,631.93 = 2,509.20 : x
  2. Step 2: Convert to fraction form
    4,081.08/5,631.93 = 2,509.20/x
  3. Step 3: Cross multiply
    4,081.08x = 5,631.93 × 2,509.20
  4. Step 4: Simplify right side
    4,081.08x = 14,131,638.76
  5. Step 5: Solve for x
    x = 14,131,638.76/4,081.08
  6. Step 6: Final answer
    x = 3,462.72

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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.