Home / 2,928.54-4,389.73-1,817.95

Finding the Fourth Proportional to 2,928.54, 4,389.73 and 1,817.95

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Solution

The fourth proportional to 2,928.54, 4,389.73 and 1,817.95 is: 2,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.54 : 4,389.73 = 1,817.95 : x
  2. Step 2: Convert to fraction form
    2,928.54/4,389.73 = 1,817.95/x
  3. Step 3: Cross multiply
    2,928.54x = 4,389.73 × 1,817.95
  4. Step 4: Simplify right side
    2,928.54x = 7,980,309.65
  5. Step 5: Solve for x
    x = 7,980,309.65/2,928.54
  6. Step 6: Final answer
    x = 2,725.01

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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.