Home / 3,486.12-4,810.94-1,973.56

Finding the Fourth Proportional to 3,486.12, 4,810.94 and 1,973.56

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Solution

The fourth proportional to 3,486.12, 4,810.94 and 1,973.56 is: 2,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.12 : 4,810.94 = 1,973.56 : x
  2. Step 2: Convert to fraction form
    3,486.12/4,810.94 = 1,973.56/x
  3. Step 3: Cross multiply
    3,486.12x = 4,810.94 × 1,973.56
  4. Step 4: Simplify right side
    3,486.12x = 9,494,644.82
  5. Step 5: Solve for x
    x = 9,494,644.82/3,486.12
  6. Step 6: Final answer
    x = 2,723.56

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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.