Home / 3,480.36-4,802.99-1,908.48

Finding the Fourth Proportional to 3,480.36, 4,802.99 and 1,908.48

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Solution

The fourth proportional to 3,480.36, 4,802.99 and 1,908.48 is: 2,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.36 : 4,802.99 = 1,908.48 : x
  2. Step 2: Convert to fraction form
    3,480.36/4,802.99 = 1,908.48/x
  3. Step 3: Cross multiply
    3,480.36x = 4,802.99 × 1,908.48
  4. Step 4: Simplify right side
    3,480.36x = 9,166,400.81
  5. Step 5: Solve for x
    x = 9,166,400.81/3,480.36
  6. Step 6: Final answer
    x = 2,633.75

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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.