Home / 1,604.27-2,405.49-603.20

Finding the Fourth Proportional to 1,604.27, 2,405.49 and 603.20

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Solution

The fourth proportional to 1,604.27, 2,405.49 and 603.20 is: 904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.27 : 2,405.49 = 603.20 : x
  2. Step 2: Convert to fraction form
    1,604.27/2,405.49 = 603.20/x
  3. Step 3: Cross multiply
    1,604.27x = 2,405.49 × 603.20
  4. Step 4: Simplify right side
    1,604.27x = 1,450,979.54
  5. Step 5: Solve for x
    x = 1,450,979.54/1,604.27
  6. Step 6: Final answer
    x = 904.45

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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.