Home / 3,666.12-5,500.06-1,357.64

Finding the Fourth Proportional to 3,666.12, 5,500.06 and 1,357.64

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Solution

The fourth proportional to 3,666.12, 5,500.06 and 1,357.64 is: 2,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.12 : 5,500.06 = 1,357.64 : x
  2. Step 2: Convert to fraction form
    3,666.12/5,500.06 = 1,357.64/x
  3. Step 3: Cross multiply
    3,666.12x = 5,500.06 × 1,357.64
  4. Step 4: Simplify right side
    3,666.12x = 7,467,101.46
  5. Step 5: Solve for x
    x = 7,467,101.46/3,666.12
  6. Step 6: Final answer
    x = 2,036.79

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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.