Home / 3,081.18-4,613.56-1,617.26

Finding the Fourth Proportional to 3,081.18, 4,613.56 and 1,617.26

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Solution

The fourth proportional to 3,081.18, 4,613.56 and 1,617.26 is: 2,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.18 : 4,613.56 = 1,617.26 : x
  2. Step 2: Convert to fraction form
    3,081.18/4,613.56 = 1,617.26/x
  3. Step 3: Cross multiply
    3,081.18x = 4,613.56 × 1,617.26
  4. Step 4: Simplify right side
    3,081.18x = 7,461,326.05
  5. Step 5: Solve for x
    x = 7,461,326.05/3,081.18
  6. Step 6: Final answer
    x = 2,421.58

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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.