Home / 3,480.03-4,802.43-1,908.15

Finding the Fourth Proportional to 3,480.03, 4,802.43 and 1,908.15

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Solution

The fourth proportional to 3,480.03, 4,802.43 and 1,908.15 is: 2,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.03 : 4,802.43 = 1,908.15 : x
  2. Step 2: Convert to fraction form
    3,480.03/4,802.43 = 1,908.15/x
  3. Step 3: Cross multiply
    3,480.03x = 4,802.43 × 1,908.15
  4. Step 4: Simplify right side
    3,480.03x = 9,163,756.80
  5. Step 5: Solve for x
    x = 9,163,756.80/3,480.03
  6. Step 6: Final answer
    x = 2,633.24

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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.