Home / 2,622.90-3,619.49-1,503.06

Finding the Fourth Proportional to 2,622.90, 3,619.49 and 1,503.06

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Solution

The fourth proportional to 2,622.90, 3,619.49 and 1,503.06 is: 2,074.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.90 : 3,619.49 = 1,503.06 : x
  2. Step 2: Convert to fraction form
    2,622.90/3,619.49 = 1,503.06/x
  3. Step 3: Cross multiply
    2,622.90x = 3,619.49 × 1,503.06
  4. Step 4: Simplify right side
    2,622.90x = 5,440,295.74
  5. Step 5: Solve for x
    x = 5,440,295.74/2,622.90
  6. Step 6: Final answer
    x = 2,074.15

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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.