Home / 3,610.58-5,416.28-1,419.02

Finding the Fourth Proportional to 3,610.58, 5,416.28 and 1,419.02

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Solution

The fourth proportional to 3,610.58, 5,416.28 and 1,419.02 is: 2,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.58 : 5,416.28 = 1,419.02 : x
  2. Step 2: Convert to fraction form
    3,610.58/5,416.28 = 1,419.02/x
  3. Step 3: Cross multiply
    3,610.58x = 5,416.28 × 1,419.02
  4. Step 4: Simplify right side
    3,610.58x = 7,685,809.65
  5. Step 5: Solve for x
    x = 7,685,809.65/3,610.58
  6. Step 6: Final answer
    x = 2,128.69

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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.