Home / 3,078.48-4,611.17-1,613.19

Finding the Fourth Proportional to 3,078.48, 4,611.17 and 1,613.19

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Solution

The fourth proportional to 3,078.48, 4,611.17 and 1,613.19 is: 2,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.48 : 4,611.17 = 1,613.19 : x
  2. Step 2: Convert to fraction form
    3,078.48/4,611.17 = 1,613.19/x
  3. Step 3: Cross multiply
    3,078.48x = 4,611.17 × 1,613.19
  4. Step 4: Simplify right side
    3,078.48x = 7,438,697.37
  5. Step 5: Solve for x
    x = 7,438,697.37/3,078.48
  6. Step 6: Final answer
    x = 2,416.35

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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.