Home / 1,604.08-2,404.48-1,218.48

Finding the Fourth Proportional to 1,604.08, 2,404.48 and 1,218.48

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Solution

The fourth proportional to 1,604.08, 2,404.48 and 1,218.48 is: 1,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.08 : 2,404.48 = 1,218.48 : x
  2. Step 2: Convert to fraction form
    1,604.08/2,404.48 = 1,218.48/x
  3. Step 3: Cross multiply
    1,604.08x = 2,404.48 × 1,218.48
  4. Step 4: Simplify right side
    1,604.08x = 2,929,810.79
  5. Step 5: Solve for x
    x = 2,929,810.79/1,604.08
  6. Step 6: Final answer
    x = 1,826.47

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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.