Home / 1,426.04-2,138.55-604.37

Finding the Fourth Proportional to 1,426.04, 2,138.55 and 604.37

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Solution

The fourth proportional to 1,426.04, 2,138.55 and 604.37 is: 906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.04 : 2,138.55 = 604.37 : x
  2. Step 2: Convert to fraction form
    1,426.04/2,138.55 = 604.37/x
  3. Step 3: Cross multiply
    1,426.04x = 2,138.55 × 604.37
  4. Step 4: Simplify right side
    1,426.04x = 1,292,475.46
  5. Step 5: Solve for x
    x = 1,292,475.46/1,426.04
  6. Step 6: Final answer
    x = 906.34

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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.