Home / 2,973.75-4,103.78-1,731.75

Finding the Fourth Proportional to 2,973.75, 4,103.78 and 1,731.75

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Solution

The fourth proportional to 2,973.75, 4,103.78 and 1,731.75 is: 2,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.75 : 4,103.78 = 1,731.75 : x
  2. Step 2: Convert to fraction form
    2,973.75/4,103.78 = 1,731.75/x
  3. Step 3: Cross multiply
    2,973.75x = 4,103.78 × 1,731.75
  4. Step 4: Simplify right side
    2,973.75x = 7,106,721.02
  5. Step 5: Solve for x
    x = 7,106,721.02/2,973.75
  6. Step 6: Final answer
    x = 2,389.82

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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.