Home / 2,222.60-3,333.90-2,017.40

Finding the Fourth Proportional to 2,222.60, 3,333.90 and 2,017.40

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Solution

The fourth proportional to 2,222.60, 3,333.90 and 2,017.40 is: 3,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.60 : 3,333.90 = 2,017.40 : x
  2. Step 2: Convert to fraction form
    2,222.60/3,333.90 = 2,017.40/x
  3. Step 3: Cross multiply
    2,222.60x = 3,333.90 × 2,017.40
  4. Step 4: Simplify right side
    2,222.60x = 6,725,809.86
  5. Step 5: Solve for x
    x = 6,725,809.86/2,222.60
  6. Step 6: Final answer
    x = 3,026.10

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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.