Home / 2,393.22-3,302.19-1,398.64

Finding the Fourth Proportional to 2,393.22, 3,302.19 and 1,398.64

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Solution

The fourth proportional to 2,393.22, 3,302.19 and 1,398.64 is: 1,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.22 : 3,302.19 = 1,398.64 : x
  2. Step 2: Convert to fraction form
    2,393.22/3,302.19 = 1,398.64/x
  3. Step 3: Cross multiply
    2,393.22x = 3,302.19 × 1,398.64
  4. Step 4: Simplify right side
    2,393.22x = 4,618,575.02
  5. Step 5: Solve for x
    x = 4,618,575.02/2,393.22
  6. Step 6: Final answer
    x = 1,929.86

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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.