Home / 2,623.56-3,620.96-1,783.69

Finding the Fourth Proportional to 2,623.56, 3,620.96 and 1,783.69

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Solution

The fourth proportional to 2,623.56, 3,620.96 and 1,783.69 is: 2,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.56 : 3,620.96 = 1,783.69 : x
  2. Step 2: Convert to fraction form
    2,623.56/3,620.96 = 1,783.69/x
  3. Step 3: Cross multiply
    2,623.56x = 3,620.96 × 1,783.69
  4. Step 4: Simplify right side
    2,623.56x = 6,458,670.14
  5. Step 5: Solve for x
    x = 6,458,670.14/2,623.56
  6. Step 6: Final answer
    x = 2,461.80

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1.5x scale

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.