Home / 2,370.88-3,556.32-1,072.72

Finding the Fourth Proportional to 2,370.88, 3,556.32 and 1,072.72

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Solution

The fourth proportional to 2,370.88, 3,556.32 and 1,072.72 is: 1,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.88 : 3,556.32 = 1,072.72 : x
  2. Step 2: Convert to fraction form
    2,370.88/3,556.32 = 1,072.72/x
  3. Step 3: Cross multiply
    2,370.88x = 3,556.32 × 1,072.72
  4. Step 4: Simplify right side
    2,370.88x = 3,814,935.59
  5. Step 5: Solve for x
    x = 3,814,935.59/2,370.88
  6. Step 6: Final answer
    x = 1,609.08

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.