Home / 3,074.77-4,613.51-1,613.57

Finding the Fourth Proportional to 3,074.77, 4,613.51 and 1,613.57

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Solution

The fourth proportional to 3,074.77, 4,613.51 and 1,613.57 is: 2,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.77 : 4,613.51 = 1,613.57 : x
  2. Step 2: Convert to fraction form
    3,074.77/4,613.51 = 1,613.57/x
  3. Step 3: Cross multiply
    3,074.77x = 4,613.51 × 1,613.57
  4. Step 4: Simplify right side
    3,074.77x = 7,444,221.33
  5. Step 5: Solve for x
    x = 7,444,221.33/3,074.77
  6. Step 6: Final answer
    x = 2,421.07

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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.