Home / 4,165.83-5,749.79-2,905.47

Finding the Fourth Proportional to 4,165.83, 5,749.79 and 2,905.47

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Solution

The fourth proportional to 4,165.83, 5,749.79 and 2,905.47 is: 4,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.83 : 5,749.79 = 2,905.47 : x
  2. Step 2: Convert to fraction form
    4,165.83/5,749.79 = 2,905.47/x
  3. Step 3: Cross multiply
    4,165.83x = 5,749.79 × 2,905.47
  4. Step 4: Simplify right side
    4,165.83x = 16,705,827.82
  5. Step 5: Solve for x
    x = 16,705,827.82/4,165.83
  6. Step 6: Final answer
    x = 4,010.20

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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.