Home / 1,723.58-2,376.12-1,226.04

Finding the Fourth Proportional to 1,723.58, 2,376.12 and 1,226.04

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Solution

The fourth proportional to 1,723.58, 2,376.12 and 1,226.04 is: 1,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.58 : 2,376.12 = 1,226.04 : x
  2. Step 2: Convert to fraction form
    1,723.58/2,376.12 = 1,226.04/x
  3. Step 3: Cross multiply
    1,723.58x = 2,376.12 × 1,226.04
  4. Step 4: Simplify right side
    1,723.58x = 2,913,218.16
  5. Step 5: Solve for x
    x = 2,913,218.16/1,723.58
  6. Step 6: Final answer
    x = 1,690.21

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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.