Home / 3,641.49-5,465.03-2,817.72

Finding the Fourth Proportional to 3,641.49, 5,465.03 and 2,817.72

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Solution

The fourth proportional to 3,641.49, 5,465.03 and 2,817.72 is: 4,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.49 : 5,465.03 = 2,817.72 : x
  2. Step 2: Convert to fraction form
    3,641.49/5,465.03 = 2,817.72/x
  3. Step 3: Cross multiply
    3,641.49x = 5,465.03 × 2,817.72
  4. Step 4: Simplify right side
    3,641.49x = 15,398,910.24
  5. Step 5: Solve for x
    x = 15,398,910.24/3,641.49
  6. Step 6: Final answer
    x = 4,228.74

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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.