Home / 3,486.21-4,810.80-1,914.33

Finding the Fourth Proportional to 3,486.21, 4,810.80 and 1,914.33

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Solution

The fourth proportional to 3,486.21, 4,810.80 and 1,914.33 is: 2,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.21 : 4,810.80 = 1,914.33 : x
  2. Step 2: Convert to fraction form
    3,486.21/4,810.80 = 1,914.33/x
  3. Step 3: Cross multiply
    3,486.21x = 4,810.80 × 1,914.33
  4. Step 4: Simplify right side
    3,486.21x = 9,209,458.76
  5. Step 5: Solve for x
    x = 9,209,458.76/3,486.21
  6. Step 6: Final answer
    x = 2,641.68

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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.