Home / 3,556.36-5,334.54-1,247.32

Finding the Fourth Proportional to 3,556.36, 5,334.54 and 1,247.32

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Solution

The fourth proportional to 3,556.36, 5,334.54 and 1,247.32 is: 1,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.36 : 5,334.54 = 1,247.32 : x
  2. Step 2: Convert to fraction form
    3,556.36/5,334.54 = 1,247.32/x
  3. Step 3: Cross multiply
    3,556.36x = 5,334.54 × 1,247.32
  4. Step 4: Simplify right side
    3,556.36x = 6,653,878.43
  5. Step 5: Solve for x
    x = 6,653,878.43/3,556.36
  6. Step 6: Final answer
    x = 1,870.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.