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Finding the Fourth Proportional to 1,613.06, 2,226.53 and 941.08

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Solution

The fourth proportional to 1,613.06, 2,226.53 and 941.08 is: 1,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.06 : 2,226.53 = 941.08 : x
  2. Step 2: Convert to fraction form
    1,613.06/2,226.53 = 941.08/x
  3. Step 3: Cross multiply
    1,613.06x = 2,226.53 × 941.08
  4. Step 4: Simplify right side
    1,613.06x = 2,095,342.85
  5. Step 5: Solve for x
    x = 2,095,342.85/1,613.06
  6. Step 6: Final answer
    x = 1,298.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.