Home / 3,640.02-5,451.72-2,176.17

Finding the Fourth Proportional to 3,640.02, 5,451.72 and 2,176.17

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Solution

The fourth proportional to 3,640.02, 5,451.72 and 2,176.17 is: 3,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.02 : 5,451.72 = 2,176.17 : x
  2. Step 2: Convert to fraction form
    3,640.02/5,451.72 = 2,176.17/x
  3. Step 3: Cross multiply
    3,640.02x = 5,451.72 × 2,176.17
  4. Step 4: Simplify right side
    3,640.02x = 11,863,869.51
  5. Step 5: Solve for x
    x = 11,863,869.51/3,640.02
  6. Step 6: Final answer
    x = 3,259.29

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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.