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Finding the Fourth Proportional to 3,255.16, 4,883.10 and 946.84

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Solution

The fourth proportional to 3,255.16, 4,883.10 and 946.84 is: 1,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.16 : 4,883.10 = 946.84 : x
  2. Step 2: Convert to fraction form
    3,255.16/4,883.10 = 946.84/x
  3. Step 3: Cross multiply
    3,255.16x = 4,883.10 × 946.84
  4. Step 4: Simplify right side
    3,255.16x = 4,623,514.40
  5. Step 5: Solve for x
    x = 4,623,514.40/3,255.16
  6. Step 6: Final answer
    x = 1,420.36

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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.