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Finding the Fourth Proportional to 2,270.08, 3,405.12 and 626.86

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Solution

The fourth proportional to 2,270.08, 3,405.12 and 626.86 is: 940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.08 : 3,405.12 = 626.86 : x
  2. Step 2: Convert to fraction form
    2,270.08/3,405.12 = 626.86/x
  3. Step 3: Cross multiply
    2,270.08x = 3,405.12 × 626.86
  4. Step 4: Simplify right side
    2,270.08x = 2,134,533.52
  5. Step 5: Solve for x
    x = 2,134,533.52/2,270.08
  6. Step 6: Final answer
    x = 940.29

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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.