Home / 3,541.36-4,887.25-1,969.42

Finding the Fourth Proportional to 3,541.36, 4,887.25 and 1,969.42

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Solution

The fourth proportional to 3,541.36, 4,887.25 and 1,969.42 is: 2,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.36 : 4,887.25 = 1,969.42 : x
  2. Step 2: Convert to fraction form
    3,541.36/4,887.25 = 1,969.42/x
  3. Step 3: Cross multiply
    3,541.36x = 4,887.25 × 1,969.42
  4. Step 4: Simplify right side
    3,541.36x = 9,625,023.46
  5. Step 5: Solve for x
    x = 9,625,023.46/3,541.36
  6. Step 6: Final answer
    x = 2,717.89

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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.