Home / 2,623.37-3,618.35-1,782.60

Finding the Fourth Proportional to 2,623.37, 3,618.35 and 1,782.60

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Solution

The fourth proportional to 2,623.37, 3,618.35 and 1,782.60 is: 2,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.37 : 3,618.35 = 1,782.60 : x
  2. Step 2: Convert to fraction form
    2,623.37/3,618.35 = 1,782.60/x
  3. Step 3: Cross multiply
    2,623.37x = 3,618.35 × 1,782.60
  4. Step 4: Simplify right side
    2,623.37x = 6,450,061.80
  5. Step 5: Solve for x
    x = 6,450,061.80/2,623.37
  6. Step 6: Final answer
    x = 2,458.70

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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.