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Finding the Fourth Proportional to 3,225.84, 4,451.85 and 1,899.24

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Solution

The fourth proportional to 3,225.84, 4,451.85 and 1,899.24 is: 2,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.84 : 4,451.85 = 1,899.24 : x
  2. Step 2: Convert to fraction form
    3,225.84/4,451.85 = 1,899.24/x
  3. Step 3: Cross multiply
    3,225.84x = 4,451.85 × 1,899.24
  4. Step 4: Simplify right side
    3,225.84x = 8,455,131.59
  5. Step 5: Solve for x
    x = 8,455,131.59/3,225.84
  6. Step 6: Final answer
    x = 2,621.06

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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.