Home / 2,512.23-3,466.89-1,393.09

Finding the Fourth Proportional to 2,512.23, 3,466.89 and 1,393.09

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Solution

The fourth proportional to 2,512.23, 3,466.89 and 1,393.09 is: 1,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.23 : 3,466.89 = 1,393.09 : x
  2. Step 2: Convert to fraction form
    2,512.23/3,466.89 = 1,393.09/x
  3. Step 3: Cross multiply
    2,512.23x = 3,466.89 × 1,393.09
  4. Step 4: Simplify right side
    2,512.23x = 4,829,689.79
  5. Step 5: Solve for x
    x = 4,829,689.79/2,512.23
  6. Step 6: Final answer
    x = 1,922.47

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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.