Home / 3,751.19-5,178.69-2,259.47

Finding the Fourth Proportional to 3,751.19, 5,178.69 and 2,259.47

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Solution

The fourth proportional to 3,751.19, 5,178.69 and 2,259.47 is: 3,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.19 : 5,178.69 = 2,259.47 : x
  2. Step 2: Convert to fraction form
    3,751.19/5,178.69 = 2,259.47/x
  3. Step 3: Cross multiply
    3,751.19x = 5,178.69 × 2,259.47
  4. Step 4: Simplify right side
    3,751.19x = 11,701,094.69
  5. Step 5: Solve for x
    x = 11,701,094.69/3,751.19
  6. Step 6: Final answer
    x = 3,119.30

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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.