Home / 3,218.04-4,817.88-2,119.05

Finding the Fourth Proportional to 3,218.04, 4,817.88 and 2,119.05

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Solution

The fourth proportional to 3,218.04, 4,817.88 and 2,119.05 is: 3,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.04 : 4,817.88 = 2,119.05 : x
  2. Step 2: Convert to fraction form
    3,218.04/4,817.88 = 2,119.05/x
  3. Step 3: Cross multiply
    3,218.04x = 4,817.88 × 2,119.05
  4. Step 4: Simplify right side
    3,218.04x = 10,209,328.61
  5. Step 5: Solve for x
    x = 10,209,328.61/3,218.04
  6. Step 6: Final answer
    x = 3,172.53

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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.