Home / 2,186.83-3,280.80-626.94

Finding the Fourth Proportional to 2,186.83, 3,280.80 and 626.94

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Solution

The fourth proportional to 2,186.83, 3,280.80 and 626.94 is: 940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.83 : 3,280.80 = 626.94 : x
  2. Step 2: Convert to fraction form
    2,186.83/3,280.80 = 626.94/x
  3. Step 3: Cross multiply
    2,186.83x = 3,280.80 × 626.94
  4. Step 4: Simplify right side
    2,186.83x = 2,056,864.75
  5. Step 5: Solve for x
    x = 2,056,864.75/2,186.83
  6. Step 6: Final answer
    x = 940.57

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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.