Home / 2,622.78-3,619.65-1,504.08

Finding the Fourth Proportional to 2,622.78, 3,619.65 and 1,504.08

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Solution

The fourth proportional to 2,622.78, 3,619.65 and 1,504.08 is: 2,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.78 : 3,619.65 = 1,504.08 : x
  2. Step 2: Convert to fraction form
    2,622.78/3,619.65 = 1,504.08/x
  3. Step 3: Cross multiply
    2,622.78x = 3,619.65 × 1,504.08
  4. Step 4: Simplify right side
    2,622.78x = 5,444,243.17
  5. Step 5: Solve for x
    x = 5,444,243.17/2,622.78
  6. Step 6: Final answer
    x = 2,075.75

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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.