Home / 3,719.12-5,575.44-1,412.24

Finding the Fourth Proportional to 3,719.12, 5,575.44 and 1,412.24

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Solution

The fourth proportional to 3,719.12, 5,575.44 and 1,412.24 is: 2,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.12 : 5,575.44 = 1,412.24 : x
  2. Step 2: Convert to fraction form
    3,719.12/5,575.44 = 1,412.24/x
  3. Step 3: Cross multiply
    3,719.12x = 5,575.44 × 1,412.24
  4. Step 4: Simplify right side
    3,719.12x = 7,873,859.39
  5. Step 5: Solve for x
    x = 7,873,859.39/3,719.12
  6. Step 6: Final answer
    x = 2,117.13

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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.