Home / 3,585.81-5,378.55-2,134.18

Finding the Fourth Proportional to 3,585.81, 5,378.55 and 2,134.18

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Solution

The fourth proportional to 3,585.81, 5,378.55 and 2,134.18 is: 3,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.81 : 5,378.55 = 2,134.18 : x
  2. Step 2: Convert to fraction form
    3,585.81/5,378.55 = 2,134.18/x
  3. Step 3: Cross multiply
    3,585.81x = 5,378.55 × 2,134.18
  4. Step 4: Simplify right side
    3,585.81x = 11,478,793.84
  5. Step 5: Solve for x
    x = 11,478,793.84/3,585.81
  6. Step 6: Final answer
    x = 3,201.17

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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.