Home / 2,220.08-3,064.37-1,324.45

Finding the Fourth Proportional to 2,220.08, 3,064.37 and 1,324.45

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Solution

The fourth proportional to 2,220.08, 3,064.37 and 1,324.45 is: 1,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.08 : 3,064.37 = 1,324.45 : x
  2. Step 2: Convert to fraction form
    2,220.08/3,064.37 = 1,324.45/x
  3. Step 3: Cross multiply
    2,220.08x = 3,064.37 × 1,324.45
  4. Step 4: Simplify right side
    2,220.08x = 4,058,602.05
  5. Step 5: Solve for x
    x = 4,058,602.05/2,220.08
  6. Step 6: Final answer
    x = 1,828.14

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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.