Home / 2,454.90-3,385.44-1,894.48

Finding the Fourth Proportional to 2,454.90, 3,385.44 and 1,894.48

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Solution

The fourth proportional to 2,454.90, 3,385.44 and 1,894.48 is: 2,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.90 : 3,385.44 = 1,894.48 : x
  2. Step 2: Convert to fraction form
    2,454.90/3,385.44 = 1,894.48/x
  3. Step 3: Cross multiply
    2,454.90x = 3,385.44 × 1,894.48
  4. Step 4: Simplify right side
    2,454.90x = 6,413,648.37
  5. Step 5: Solve for x
    x = 6,413,648.37/2,454.90
  6. Step 6: Final answer
    x = 2,612.59

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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.