Home / 1,723.63-2,376.39-1,252.21

Finding the Fourth Proportional to 1,723.63, 2,376.39 and 1,252.21

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Solution

The fourth proportional to 1,723.63, 2,376.39 and 1,252.21 is: 1,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.63 : 2,376.39 = 1,252.21 : x
  2. Step 2: Convert to fraction form
    1,723.63/2,376.39 = 1,252.21/x
  3. Step 3: Cross multiply
    1,723.63x = 2,376.39 × 1,252.21
  4. Step 4: Simplify right side
    1,723.63x = 2,975,739.32
  5. Step 5: Solve for x
    x = 2,975,739.32/1,723.63
  6. Step 6: Final answer
    x = 1,726.44

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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.