Home / 3,214.08-4,435.44-1,816.80

Finding the Fourth Proportional to 3,214.08, 4,435.44 and 1,816.80

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Solution

The fourth proportional to 3,214.08, 4,435.44 and 1,816.80 is: 2,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.08 : 4,435.44 = 1,816.80 : x
  2. Step 2: Convert to fraction form
    3,214.08/4,435.44 = 1,816.80/x
  3. Step 3: Cross multiply
    3,214.08x = 4,435.44 × 1,816.80
  4. Step 4: Simplify right side
    3,214.08x = 8,058,307.39
  5. Step 5: Solve for x
    x = 8,058,307.39/3,214.08
  6. Step 6: Final answer
    x = 2,507.19

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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.