Home / 3,840.04-5,299.56-2,225.48

Finding the Fourth Proportional to 3,840.04, 5,299.56 and 2,225.48

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Solution

The fourth proportional to 3,840.04, 5,299.56 and 2,225.48 is: 3,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.04 : 5,299.56 = 2,225.48 : x
  2. Step 2: Convert to fraction form
    3,840.04/5,299.56 = 2,225.48/x
  3. Step 3: Cross multiply
    3,840.04x = 5,299.56 × 2,225.48
  4. Step 4: Simplify right side
    3,840.04x = 11,794,064.79
  5. Step 5: Solve for x
    x = 11,794,064.79/3,840.04
  6. Step 6: Final answer
    x = 3,071.34

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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.