Home / 2,642.28-3,647.88-1,594.68

Finding the Fourth Proportional to 2,642.28, 3,647.88 and 1,594.68

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Solution

The fourth proportional to 2,642.28, 3,647.88 and 1,594.68 is: 2,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.28 : 3,647.88 = 1,594.68 : x
  2. Step 2: Convert to fraction form
    2,642.28/3,647.88 = 1,594.68/x
  3. Step 3: Cross multiply
    2,642.28x = 3,647.88 × 1,594.68
  4. Step 4: Simplify right side
    2,642.28x = 5,817,201.28
  5. Step 5: Solve for x
    x = 5,817,201.28/2,642.28
  6. Step 6: Final answer
    x = 2,201.58

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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.