Home / 4,196.40-6,287.40-2,219.10

Finding the Fourth Proportional to 4,196.40, 6,287.40 and 2,219.10

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Solution

The fourth proportional to 4,196.40, 6,287.40 and 2,219.10 is: 3,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,196.40 : 6,287.40 = 2,219.10 : x
  2. Step 2: Convert to fraction form
    4,196.40/6,287.40 = 2,219.10/x
  3. Step 3: Cross multiply
    4,196.40x = 6,287.40 × 2,219.10
  4. Step 4: Simplify right side
    4,196.40x = 13,952,369.34
  5. Step 5: Solve for x
    x = 13,952,369.34/4,196.40
  6. Step 6: Final answer
    x = 3,324.84

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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.