Home / 2,929.55-4,042.73-1,603.23

Finding the Fourth Proportional to 2,929.55, 4,042.73 and 1,603.23

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Solution

The fourth proportional to 2,929.55, 4,042.73 and 1,603.23 is: 2,212.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.55 : 4,042.73 = 1,603.23 : x
  2. Step 2: Convert to fraction form
    2,929.55/4,042.73 = 1,603.23/x
  3. Step 3: Cross multiply
    2,929.55x = 4,042.73 × 1,603.23
  4. Step 4: Simplify right side
    2,929.55x = 6,481,418.00
  5. Step 5: Solve for x
    x = 6,481,418.00/2,929.55
  6. Step 6: Final answer
    x = 2,212.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.