Home / 3,810.24-5,715.36-1,074.24

Finding the Fourth Proportional to 3,810.24, 5,715.36 and 1,074.24

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Solution

The fourth proportional to 3,810.24, 5,715.36 and 1,074.24 is: 1,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.24 : 5,715.36 = 1,074.24 : x
  2. Step 2: Convert to fraction form
    3,810.24/5,715.36 = 1,074.24/x
  3. Step 3: Cross multiply
    3,810.24x = 5,715.36 × 1,074.24
  4. Step 4: Simplify right side
    3,810.24x = 6,139,668.33
  5. Step 5: Solve for x
    x = 6,139,668.33/3,810.24
  6. Step 6: Final answer
    x = 1,611.36

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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.