Home / 1,554.29-2,334.83-938.28

Finding the Fourth Proportional to 1,554.29, 2,334.83 and 938.28

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Solution

The fourth proportional to 1,554.29, 2,334.83 and 938.28 is: 1,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.29 : 2,334.83 = 938.28 : x
  2. Step 2: Convert to fraction form
    1,554.29/2,334.83 = 938.28/x
  3. Step 3: Cross multiply
    1,554.29x = 2,334.83 × 938.28
  4. Step 4: Simplify right side
    1,554.29x = 2,190,728.36
  5. Step 5: Solve for x
    x = 2,190,728.36/1,554.29
  6. Step 6: Final answer
    x = 1,409.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.