Home / 3,220.88-4,444.07-1,876.32

Finding the Fourth Proportional to 3,220.88, 4,444.07 and 1,876.32

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Solution

The fourth proportional to 3,220.88, 4,444.07 and 1,876.32 is: 2,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.88 : 4,444.07 = 1,876.32 : x
  2. Step 2: Convert to fraction form
    3,220.88/4,444.07 = 1,876.32/x
  3. Step 3: Cross multiply
    3,220.88x = 4,444.07 × 1,876.32
  4. Step 4: Simplify right side
    3,220.88x = 8,338,488.04
  5. Step 5: Solve for x
    x = 8,338,488.04/3,220.88
  6. Step 6: Final answer
    x = 2,588.89

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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.