Home / 1,252.30-1,727.23-1,054.19

Finding the Fourth Proportional to 1,252.30, 1,727.23 and 1,054.19

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Solution

The fourth proportional to 1,252.30, 1,727.23 and 1,054.19 is: 1,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.30 : 1,727.23 = 1,054.19 : x
  2. Step 2: Convert to fraction form
    1,252.30/1,727.23 = 1,054.19/x
  3. Step 3: Cross multiply
    1,252.30x = 1,727.23 × 1,054.19
  4. Step 4: Simplify right side
    1,252.30x = 1,820,817.32
  5. Step 5: Solve for x
    x = 1,820,817.32/1,252.30
  6. Step 6: Final answer
    x = 1,453.98

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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.