Home / 3,715.16-5,570.30-1,249.31

Finding the Fourth Proportional to 3,715.16, 5,570.30 and 1,249.31

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Solution

The fourth proportional to 3,715.16, 5,570.30 and 1,249.31 is: 1,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.16 : 5,570.30 = 1,249.31 : x
  2. Step 2: Convert to fraction form
    3,715.16/5,570.30 = 1,249.31/x
  3. Step 3: Cross multiply
    3,715.16x = 5,570.30 × 1,249.31
  4. Step 4: Simplify right side
    3,715.16x = 6,958,997.39
  5. Step 5: Solve for x
    x = 6,958,997.39/3,715.16
  6. Step 6: Final answer
    x = 1,873.14

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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.