Home / 3,480.08-4,802.32-1,908.12

Finding the Fourth Proportional to 3,480.08, 4,802.32 and 1,908.12

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Solution

The fourth proportional to 3,480.08, 4,802.32 and 1,908.12 is: 2,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.08 : 4,802.32 = 1,908.12 : x
  2. Step 2: Convert to fraction form
    3,480.08/4,802.32 = 1,908.12/x
  3. Step 3: Cross multiply
    3,480.08x = 4,802.32 × 1,908.12
  4. Step 4: Simplify right side
    3,480.08x = 9,163,402.84
  5. Step 5: Solve for x
    x = 9,163,402.84/3,480.08
  6. Step 6: Final answer
    x = 2,633.10

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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.