Home / 3,225.61-4,451.25-1,881.49

Finding the Fourth Proportional to 3,225.61, 4,451.25 and 1,881.49

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Solution

The fourth proportional to 3,225.61, 4,451.25 and 1,881.49 is: 2,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.61 : 4,451.25 = 1,881.49 : x
  2. Step 2: Convert to fraction form
    3,225.61/4,451.25 = 1,881.49/x
  3. Step 3: Cross multiply
    3,225.61x = 4,451.25 × 1,881.49
  4. Step 4: Simplify right side
    3,225.61x = 8,374,982.36
  5. Step 5: Solve for x
    x = 8,374,982.36/3,225.61
  6. Step 6: Final answer
    x = 2,596.40

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Half scale
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Double scale
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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.