Home / 3,585.42-4,948.12-1,992.30

Finding the Fourth Proportional to 3,585.42, 4,948.12 and 1,992.30

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Solution

The fourth proportional to 3,585.42, 4,948.12 and 1,992.30 is: 2,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.42 : 4,948.12 = 1,992.30 : x
  2. Step 2: Convert to fraction form
    3,585.42/4,948.12 = 1,992.30/x
  3. Step 3: Cross multiply
    3,585.42x = 4,948.12 × 1,992.30
  4. Step 4: Simplify right side
    3,585.42x = 9,858,139.48
  5. Step 5: Solve for x
    x = 9,858,139.48/3,585.42
  6. Step 6: Final answer
    x = 2,749.51

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Double scale
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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.