Home / 2,644.12-3,646.36-1,973.40

Finding the Fourth Proportional to 2,644.12, 3,646.36 and 1,973.40

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Solution

The fourth proportional to 2,644.12, 3,646.36 and 1,973.40 is: 2,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.12 : 3,646.36 = 1,973.40 : x
  2. Step 2: Convert to fraction form
    2,644.12/3,646.36 = 1,973.40/x
  3. Step 3: Cross multiply
    2,644.12x = 3,646.36 × 1,973.40
  4. Step 4: Simplify right side
    2,644.12x = 7,195,726.82
  5. Step 5: Solve for x
    x = 7,195,726.82/2,644.12
  6. Step 6: Final answer
    x = 2,721.41

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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.