Home / 3,622.79-4,996.98-2,205.50

Finding the Fourth Proportional to 3,622.79, 4,996.98 and 2,205.50

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Solution

The fourth proportional to 3,622.79, 4,996.98 and 2,205.50 is: 3,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.79 : 4,996.98 = 2,205.50 : x
  2. Step 2: Convert to fraction form
    3,622.79/4,996.98 = 2,205.50/x
  3. Step 3: Cross multiply
    3,622.79x = 4,996.98 × 2,205.50
  4. Step 4: Simplify right side
    3,622.79x = 11,020,814.41
  5. Step 5: Solve for x
    x = 11,020,814.41/3,622.79
  6. Step 6: Final answer
    x = 3,042.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.