Home / 2,143.18-3,214.41-604.22

Finding the Fourth Proportional to 2,143.18, 3,214.41 and 604.22

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Solution

The fourth proportional to 2,143.18, 3,214.41 and 604.22 is: 906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.18 : 3,214.41 = 604.22 : x
  2. Step 2: Convert to fraction form
    2,143.18/3,214.41 = 604.22/x
  3. Step 3: Cross multiply
    2,143.18x = 3,214.41 × 604.22
  4. Step 4: Simplify right side
    2,143.18x = 1,942,210.81
  5. Step 5: Solve for x
    x = 1,942,210.81/2,143.18
  6. Step 6: Final answer
    x = 906.23

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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.