Home / 3,935.52-5,432.49-2,609.67

Finding the Fourth Proportional to 3,935.52, 5,432.49 and 2,609.67

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Solution

The fourth proportional to 3,935.52, 5,432.49 and 2,609.67 is: 3,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.52 : 5,432.49 = 2,609.67 : x
  2. Step 2: Convert to fraction form
    3,935.52/5,432.49 = 2,609.67/x
  3. Step 3: Cross multiply
    3,935.52x = 5,432.49 × 2,609.67
  4. Step 4: Simplify right side
    3,935.52x = 14,177,006.18
  5. Step 5: Solve for x
    x = 14,177,006.18/3,935.52
  6. Step 6: Final answer
    x = 3,602.32

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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.