Home / 4,288.62-5,918.52-2,609.76

Finding the Fourth Proportional to 4,288.62, 5,918.52 and 2,609.76

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Solution

The fourth proportional to 4,288.62, 5,918.52 and 2,609.76 is: 3,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.62 : 5,918.52 = 2,609.76 : x
  2. Step 2: Convert to fraction form
    4,288.62/5,918.52 = 2,609.76/x
  3. Step 3: Cross multiply
    4,288.62x = 5,918.52 × 2,609.76
  4. Step 4: Simplify right side
    4,288.62x = 15,445,916.76
  5. Step 5: Solve for x
    x = 15,445,916.76/4,288.62
  6. Step 6: Final answer
    x = 3,601.61

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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.