Home / 1,973.36-2,721.48-1,274

Finding the Fourth Proportional to 1,973.36, 2,721.48 and 1,274

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Solution

The fourth proportional to 1,973.36, 2,721.48 and 1,274 is: 1,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.36 : 2,721.48 = 1,274 : x
  2. Step 2: Convert to fraction form
    1,973.36/2,721.48 = 1,274/x
  3. Step 3: Cross multiply
    1,973.36x = 2,721.48 × 1,274
  4. Step 4: Simplify right side
    1,973.36x = 3,467,165.52
  5. Step 5: Solve for x
    x = 3,467,165.52/1,973.36
  6. Step 6: Final answer
    x = 1,756.99

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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.