Home / 3,555.96-4,907.36-1,984.36

Finding the Fourth Proportional to 3,555.96, 4,907.36 and 1,984.36

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Solution

The fourth proportional to 3,555.96, 4,907.36 and 1,984.36 is: 2,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.96 : 4,907.36 = 1,984.36 : x
  2. Step 2: Convert to fraction form
    3,555.96/4,907.36 = 1,984.36/x
  3. Step 3: Cross multiply
    3,555.96x = 4,907.36 × 1,984.36
  4. Step 4: Simplify right side
    3,555.96x = 9,737,934.43
  5. Step 5: Solve for x
    x = 9,737,934.43/3,555.96
  6. Step 6: Final answer
    x = 2,738.48

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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.