Home / 1,604.88-2,406.27-1,055.39

Finding the Fourth Proportional to 1,604.88, 2,406.27 and 1,055.39

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Solution

The fourth proportional to 1,604.88, 2,406.27 and 1,055.39 is: 1,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.88 : 2,406.27 = 1,055.39 : x
  2. Step 2: Convert to fraction form
    1,604.88/2,406.27 = 1,055.39/x
  3. Step 3: Cross multiply
    1,604.88x = 2,406.27 × 1,055.39
  4. Step 4: Simplify right side
    1,604.88x = 2,539,553.30
  5. Step 5: Solve for x
    x = 2,539,553.30/1,604.88
  6. Step 6: Final answer
    x = 1,582.40

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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.