Home / 2,539.85-3,504.94-1,477.80

Finding the Fourth Proportional to 2,539.85, 3,504.94 and 1,477.80

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Solution

The fourth proportional to 2,539.85, 3,504.94 and 1,477.80 is: 2,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.85 : 3,504.94 = 1,477.80 : x
  2. Step 2: Convert to fraction form
    2,539.85/3,504.94 = 1,477.80/x
  3. Step 3: Cross multiply
    2,539.85x = 3,504.94 × 1,477.80
  4. Step 4: Simplify right side
    2,539.85x = 5,179,596.64
  5. Step 5: Solve for x
    x = 5,179,596.64/2,539.85
  6. Step 6: Final answer
    x = 2,039.34

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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.