Home / 2,901.82-4,004.56-1,575.57

Finding the Fourth Proportional to 2,901.82, 4,004.56 and 1,575.57

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Solution

The fourth proportional to 2,901.82, 4,004.56 and 1,575.57 is: 2,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.82 : 4,004.56 = 1,575.57 : x
  2. Step 2: Convert to fraction form
    2,901.82/4,004.56 = 1,575.57/x
  3. Step 3: Cross multiply
    2,901.82x = 4,004.56 × 1,575.57
  4. Step 4: Simplify right side
    2,901.82x = 6,309,464.60
  5. Step 5: Solve for x
    x = 6,309,464.60/2,901.82
  6. Step 6: Final answer
    x = 2,174.31

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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.