Home / 2,572.60-3,838.69-2,415.87

Finding the Fourth Proportional to 2,572.60, 3,838.69 and 2,415.87

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Solution

The fourth proportional to 2,572.60, 3,838.69 and 2,415.87 is: 3,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.60 : 3,838.69 = 2,415.87 : x
  2. Step 2: Convert to fraction form
    2,572.60/3,838.69 = 2,415.87/x
  3. Step 3: Cross multiply
    2,572.60x = 3,838.69 × 2,415.87
  4. Step 4: Simplify right side
    2,572.60x = 9,273,776.01
  5. Step 5: Solve for x
    x = 9,273,776.01/2,572.60
  6. Step 6: Final answer
    x = 3,604.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.