Home / 3,585.24-5,378.56-1,394.18

Finding the Fourth Proportional to 3,585.24, 5,378.56 and 1,394.18

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Solution

The fourth proportional to 3,585.24, 5,378.56 and 1,394.18 is: 2,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.24 : 5,378.56 = 1,394.18 : x
  2. Step 2: Convert to fraction form
    3,585.24/5,378.56 = 1,394.18/x
  3. Step 3: Cross multiply
    3,585.24x = 5,378.56 × 1,394.18
  4. Step 4: Simplify right side
    3,585.24x = 7,498,680.78
  5. Step 5: Solve for x
    x = 7,498,680.78/3,585.24
  6. Step 6: Final answer
    x = 2,091.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.