Home / 3,479.94-4,802.36-1,908.14

Finding the Fourth Proportional to 3,479.94, 4,802.36 and 1,908.14

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Solution

The fourth proportional to 3,479.94, 4,802.36 and 1,908.14 is: 2,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.94 : 4,802.36 = 1,908.14 : x
  2. Step 2: Convert to fraction form
    3,479.94/4,802.36 = 1,908.14/x
  3. Step 3: Cross multiply
    3,479.94x = 4,802.36 × 1,908.14
  4. Step 4: Simplify right side
    3,479.94x = 9,163,541.66
  5. Step 5: Solve for x
    x = 9,163,541.66/3,479.94
  6. Step 6: Final answer
    x = 2,633.25

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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.