Home / 3,435.09-4,741.49-2,175.75

Finding the Fourth Proportional to 3,435.09, 4,741.49 and 2,175.75

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Solution

The fourth proportional to 3,435.09, 4,741.49 and 2,175.75 is: 3,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.09 : 4,741.49 = 2,175.75 : x
  2. Step 2: Convert to fraction form
    3,435.09/4,741.49 = 2,175.75/x
  3. Step 3: Cross multiply
    3,435.09x = 4,741.49 × 2,175.75
  4. Step 4: Simplify right side
    3,435.09x = 10,316,285.99
  5. Step 5: Solve for x
    x = 10,316,285.99/3,435.09
  6. Step 6: Final answer
    x = 3,003.21

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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.