Home / 1,770.10-2,668.41-1,651.17

Finding the Fourth Proportional to 1,770.10, 2,668.41 and 1,651.17

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Solution

The fourth proportional to 1,770.10, 2,668.41 and 1,651.17 is: 2,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.10 : 2,668.41 = 1,651.17 : x
  2. Step 2: Convert to fraction form
    1,770.10/2,668.41 = 1,651.17/x
  3. Step 3: Cross multiply
    1,770.10x = 2,668.41 × 1,651.17
  4. Step 4: Simplify right side
    1,770.10x = 4,405,976.94
  5. Step 5: Solve for x
    x = 4,405,976.94/1,770.10
  6. Step 6: Final answer
    x = 2,489.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.