Home / 3,555.82-4,907.15-1,962.58

Finding the Fourth Proportional to 3,555.82, 4,907.15 and 1,962.58

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Solution

The fourth proportional to 3,555.82, 4,907.15 and 1,962.58 is: 2,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.82 : 4,907.15 = 1,962.58 : x
  2. Step 2: Convert to fraction form
    3,555.82/4,907.15 = 1,962.58/x
  3. Step 3: Cross multiply
    3,555.82x = 4,907.15 × 1,962.58
  4. Step 4: Simplify right side
    3,555.82x = 9,630,674.45
  5. Step 5: Solve for x
    x = 9,630,674.45/3,555.82
  6. Step 6: Final answer
    x = 2,708.43

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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.