Home / 1,426.04-2,139.24-604.16

Finding the Fourth Proportional to 1,426.04, 2,139.24 and 604.16

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Solution

The fourth proportional to 1,426.04, 2,139.24 and 604.16 is: 906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.04 : 2,139.24 = 604.16 : x
  2. Step 2: Convert to fraction form
    1,426.04/2,139.24 = 604.16/x
  3. Step 3: Cross multiply
    1,426.04x = 2,139.24 × 604.16
  4. Step 4: Simplify right side
    1,426.04x = 1,292,443.24
  5. Step 5: Solve for x
    x = 1,292,443.24/1,426.04
  6. Step 6: Final answer
    x = 906.32

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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.