Home / 2,512.08-3,466.80-1,890

Finding the Fourth Proportional to 2,512.08, 3,466.80 and 1,890

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Solution

The fourth proportional to 2,512.08, 3,466.80 and 1,890 is: 2,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.08 : 3,466.80 = 1,890 : x
  2. Step 2: Convert to fraction form
    2,512.08/3,466.80 = 1,890/x
  3. Step 3: Cross multiply
    2,512.08x = 3,466.80 × 1,890
  4. Step 4: Simplify right side
    2,512.08x = 6,552,252
  5. Step 5: Solve for x
    x = 6,552,252/2,512.08
  6. Step 6: Final answer
    x = 2,608.30

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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.