Home / 3,516.72-5,267.63-2,280.45

Finding the Fourth Proportional to 3,516.72, 5,267.63 and 2,280.45

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Solution

The fourth proportional to 3,516.72, 5,267.63 and 2,280.45 is: 3,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.72 : 5,267.63 = 2,280.45 : x
  2. Step 2: Convert to fraction form
    3,516.72/5,267.63 = 2,280.45/x
  3. Step 3: Cross multiply
    3,516.72x = 5,267.63 × 2,280.45
  4. Step 4: Simplify right side
    3,516.72x = 12,012,592.29
  5. Step 5: Solve for x
    x = 12,012,592.29/3,516.72
  6. Step 6: Final answer
    x = 3,415.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.