Home / 2,816.07-4,219.48-966.18

Finding the Fourth Proportional to 2,816.07, 4,219.48 and 966.18

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Solution

The fourth proportional to 2,816.07, 4,219.48 and 966.18 is: 1,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.07 : 4,219.48 = 966.18 : x
  2. Step 2: Convert to fraction form
    2,816.07/4,219.48 = 966.18/x
  3. Step 3: Cross multiply
    2,816.07x = 4,219.48 × 966.18
  4. Step 4: Simplify right side
    2,816.07x = 4,076,777.19
  5. Step 5: Solve for x
    x = 4,076,777.19/2,816.07
  6. Step 6: Final answer
    x = 1,447.68

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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.