Home / 2,646.33-3,653.15-1,985.37

Finding the Fourth Proportional to 2,646.33, 3,653.15 and 1,985.37

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Solution

The fourth proportional to 2,646.33, 3,653.15 and 1,985.37 is: 2,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.33 : 3,653.15 = 1,985.37 : x
  2. Step 2: Convert to fraction form
    2,646.33/3,653.15 = 1,985.37/x
  3. Step 3: Cross multiply
    2,646.33x = 3,653.15 × 1,985.37
  4. Step 4: Simplify right side
    2,646.33x = 7,252,844.49
  5. Step 5: Solve for x
    x = 7,252,844.49/2,646.33
  6. Step 6: Final answer
    x = 2,740.72

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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.