Home / 2,647.09-3,652.25-1,653.38

Finding the Fourth Proportional to 2,647.09, 3,652.25 and 1,653.38

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Solution

The fourth proportional to 2,647.09, 3,652.25 and 1,653.38 is: 2,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.09 : 3,652.25 = 1,653.38 : x
  2. Step 2: Convert to fraction form
    2,647.09/3,652.25 = 1,653.38/x
  3. Step 3: Cross multiply
    2,647.09x = 3,652.25 × 1,653.38
  4. Step 4: Simplify right side
    2,647.09x = 6,038,544.27
  5. Step 5: Solve for x
    x = 6,038,544.27/2,647.09
  6. Step 6: Final answer
    x = 2,281.20

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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.