Home / 2,642.49-3,648.08-1,804.44

Finding the Fourth Proportional to 2,642.49, 3,648.08 and 1,804.44

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Solution

The fourth proportional to 2,642.49, 3,648.08 and 1,804.44 is: 2,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.49 : 3,648.08 = 1,804.44 : x
  2. Step 2: Convert to fraction form
    2,642.49/3,648.08 = 1,804.44/x
  3. Step 3: Cross multiply
    2,642.49x = 3,648.08 × 1,804.44
  4. Step 4: Simplify right side
    2,642.49x = 6,582,732.45
  5. Step 5: Solve for x
    x = 6,582,732.45/2,642.49
  6. Step 6: Final answer
    x = 2,491.11

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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.