Home / 3,074.72-4,611.36-1,513.12

Finding the Fourth Proportional to 3,074.72, 4,611.36 and 1,513.12

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Solution

The fourth proportional to 3,074.72, 4,611.36 and 1,513.12 is: 2,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.72 : 4,611.36 = 1,513.12 : x
  2. Step 2: Convert to fraction form
    3,074.72/4,611.36 = 1,513.12/x
  3. Step 3: Cross multiply
    3,074.72x = 4,611.36 × 1,513.12
  4. Step 4: Simplify right side
    3,074.72x = 6,977,541.04
  5. Step 5: Solve for x
    x = 6,977,541.04/3,074.72
  6. Step 6: Final answer
    x = 2,269.33

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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.