Home / 1,724.25-2,376.22-1,554.45

Finding the Fourth Proportional to 1,724.25, 2,376.22 and 1,554.45

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Solution

The fourth proportional to 1,724.25, 2,376.22 and 1,554.45 is: 2,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.25 : 2,376.22 = 1,554.45 : x
  2. Step 2: Convert to fraction form
    1,724.25/2,376.22 = 1,554.45/x
  3. Step 3: Cross multiply
    1,724.25x = 2,376.22 × 1,554.45
  4. Step 4: Simplify right side
    1,724.25x = 3,693,718.66
  5. Step 5: Solve for x
    x = 3,693,718.66/1,724.25
  6. Step 6: Final answer
    x = 2,142.22

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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.