Home / 3,585.36-4,947.98-1,992.18

Finding the Fourth Proportional to 3,585.36, 4,947.98 and 1,992.18

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Solution

The fourth proportional to 3,585.36, 4,947.98 and 1,992.18 is: 2,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.36 : 4,947.98 = 1,992.18 : x
  2. Step 2: Convert to fraction form
    3,585.36/4,947.98 = 1,992.18/x
  3. Step 3: Cross multiply
    3,585.36x = 4,947.98 × 1,992.18
  4. Step 4: Simplify right side
    3,585.36x = 9,857,256.84
  5. Step 5: Solve for x
    x = 9,857,256.84/3,585.36
  6. Step 6: Final answer
    x = 2,749.31

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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.