Home / 3,541.56-4,887.36-1,969.68

Finding the Fourth Proportional to 3,541.56, 4,887.36 and 1,969.68

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Solution

The fourth proportional to 3,541.56, 4,887.36 and 1,969.68 is: 2,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.56 : 4,887.36 = 1,969.68 : x
  2. Step 2: Convert to fraction form
    3,541.56/4,887.36 = 1,969.68/x
  3. Step 3: Cross multiply
    3,541.56x = 4,887.36 × 1,969.68
  4. Step 4: Simplify right side
    3,541.56x = 9,626,535.24
  5. Step 5: Solve for x
    x = 9,626,535.24/3,541.56
  6. Step 6: Final answer
    x = 2,718.16

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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.