Home / 3,867.58-5,338.74-2,453.32

Finding the Fourth Proportional to 3,867.58, 5,338.74 and 2,453.32

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Solution

The fourth proportional to 3,867.58, 5,338.74 and 2,453.32 is: 3,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.58 : 5,338.74 = 2,453.32 : x
  2. Step 2: Convert to fraction form
    3,867.58/5,338.74 = 2,453.32/x
  3. Step 3: Cross multiply
    3,867.58x = 5,338.74 × 2,453.32
  4. Step 4: Simplify right side
    3,867.58x = 13,097,637.62
  5. Step 5: Solve for x
    x = 13,097,637.62/3,867.58
  6. Step 6: Final answer
    x = 3,386.52

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1.5x scale

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.