Home / 2,622.10-3,619.02-1,503.79

Finding the Fourth Proportional to 2,622.10, 3,619.02 and 1,503.79

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Solution

The fourth proportional to 2,622.10, 3,619.02 and 1,503.79 is: 2,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.10 : 3,619.02 = 1,503.79 : x
  2. Step 2: Convert to fraction form
    2,622.10/3,619.02 = 1,503.79/x
  3. Step 3: Cross multiply
    2,622.10x = 3,619.02 × 1,503.79
  4. Step 4: Simplify right side
    2,622.10x = 5,442,246.09
  5. Step 5: Solve for x
    x = 5,442,246.09/2,622.10
  6. Step 6: Final answer
    x = 2,075.53

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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.