Home / 2,435.09-3,645.54-1,910.21

Finding the Fourth Proportional to 2,435.09, 3,645.54 and 1,910.21

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Solution

The fourth proportional to 2,435.09, 3,645.54 and 1,910.21 is: 2,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.09 : 3,645.54 = 1,910.21 : x
  2. Step 2: Convert to fraction form
    2,435.09/3,645.54 = 1,910.21/x
  3. Step 3: Cross multiply
    2,435.09x = 3,645.54 × 1,910.21
  4. Step 4: Simplify right side
    2,435.09x = 6,963,728.74
  5. Step 5: Solve for x
    x = 6,963,728.74/2,435.09
  6. Step 6: Final answer
    x = 2,859.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.