Home / 2,928.63-4,393.95-1,697.07

Finding the Fourth Proportional to 2,928.63, 4,393.95 and 1,697.07

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Solution

The fourth proportional to 2,928.63, 4,393.95 and 1,697.07 is: 2,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.63 : 4,393.95 = 1,697.07 : x
  2. Step 2: Convert to fraction form
    2,928.63/4,393.95 = 1,697.07/x
  3. Step 3: Cross multiply
    2,928.63x = 4,393.95 × 1,697.07
  4. Step 4: Simplify right side
    2,928.63x = 7,456,840.73
  5. Step 5: Solve for x
    x = 7,456,840.73/2,928.63
  6. Step 6: Final answer
    x = 2,546.19

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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.