Home / 3,609.77-5,409.18-2,680.98

Finding the Fourth Proportional to 3,609.77, 5,409.18 and 2,680.98

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Solution

The fourth proportional to 3,609.77, 5,409.18 and 2,680.98 is: 4,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.77 : 5,409.18 = 2,680.98 : x
  2. Step 2: Convert to fraction form
    3,609.77/5,409.18 = 2,680.98/x
  3. Step 3: Cross multiply
    3,609.77x = 5,409.18 × 2,680.98
  4. Step 4: Simplify right side
    3,609.77x = 14,501,903.40
  5. Step 5: Solve for x
    x = 14,501,903.40/3,609.77
  6. Step 6: Final answer
    x = 4,017.41

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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.