Home / 1,690.83-2,536.25-1,169.19

Finding the Fourth Proportional to 1,690.83, 2,536.25 and 1,169.19

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Solution

The fourth proportional to 1,690.83, 2,536.25 and 1,169.19 is: 1,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.83 : 2,536.25 = 1,169.19 : x
  2. Step 2: Convert to fraction form
    1,690.83/2,536.25 = 1,169.19/x
  3. Step 3: Cross multiply
    1,690.83x = 2,536.25 × 1,169.19
  4. Step 4: Simplify right side
    1,690.83x = 2,965,352.29
  5. Step 5: Solve for x
    x = 2,965,352.29/1,690.83
  6. Step 6: Final answer
    x = 1,753.79

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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.