Home / 1,727.04-2,379.88-1,254.12

Finding the Fourth Proportional to 1,727.04, 2,379.88 and 1,254.12

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Solution

The fourth proportional to 1,727.04, 2,379.88 and 1,254.12 is: 1,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.04 : 2,379.88 = 1,254.12 : x
  2. Step 2: Convert to fraction form
    1,727.04/2,379.88 = 1,254.12/x
  3. Step 3: Cross multiply
    1,727.04x = 2,379.88 × 1,254.12
  4. Step 4: Simplify right side
    1,727.04x = 2,984,655.11
  5. Step 5: Solve for x
    x = 2,984,655.11/1,727.04
  6. Step 6: Final answer
    x = 1,728.19

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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.