Home / 3,214.40-4,434.83-1,888.43

Finding the Fourth Proportional to 3,214.40, 4,434.83 and 1,888.43

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Solution

The fourth proportional to 3,214.40, 4,434.83 and 1,888.43 is: 2,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.40 : 4,434.83 = 1,888.43 : x
  2. Step 2: Convert to fraction form
    3,214.40/4,434.83 = 1,888.43/x
  3. Step 3: Cross multiply
    3,214.40x = 4,434.83 × 1,888.43
  4. Step 4: Simplify right side
    3,214.40x = 8,374,866.02
  5. Step 5: Solve for x
    x = 8,374,866.02/3,214.40
  6. Step 6: Final answer
    x = 2,605.42

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Half scale
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Double scale
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Similar ratio
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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.