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Finding the Fourth Proportional to 2,370.54, 3,556.84 and 909.35

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Solution

The fourth proportional to 2,370.54, 3,556.84 and 909.35 is: 1,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.54 : 3,556.84 = 909.35 : x
  2. Step 2: Convert to fraction form
    2,370.54/3,556.84 = 909.35/x
  3. Step 3: Cross multiply
    2,370.54x = 3,556.84 × 909.35
  4. Step 4: Simplify right side
    2,370.54x = 3,234,414.89
  5. Step 5: Solve for x
    x = 3,234,414.89/2,370.54
  6. Step 6: Final answer
    x = 1,364.42

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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.