Home / 1,554.45-2,329.71-904.43

Finding the Fourth Proportional to 1,554.45, 2,329.71 and 904.43

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Solution

The fourth proportional to 1,554.45, 2,329.71 and 904.43 is: 1,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.45 : 2,329.71 = 904.43 : x
  2. Step 2: Convert to fraction form
    1,554.45/2,329.71 = 904.43/x
  3. Step 3: Cross multiply
    1,554.45x = 2,329.71 × 904.43
  4. Step 4: Simplify right side
    1,554.45x = 2,107,047.97
  5. Step 5: Solve for x
    x = 2,107,047.97/1,554.45
  6. Step 6: Final answer
    x = 1,355.49

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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.