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Finding the Fourth Proportional to 2,625, 3,622.86 and 1,693.32

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Solution

The fourth proportional to 2,625, 3,622.86 and 1,693.32 is: 2,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625 : 3,622.86 = 1,693.32 : x
  2. Step 2: Convert to fraction form
    2,625/3,622.86 = 1,693.32/x
  3. Step 3: Cross multiply
    2,625x = 3,622.86 × 1,693.32
  4. Step 4: Simplify right side
    2,625x = 6,134,661.30
  5. Step 5: Solve for x
    x = 6,134,661.30/2,625
  6. Step 6: Final answer
    x = 2,337.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.