Home / 3,477.09-4,798.39-1,905.15

Finding the Fourth Proportional to 3,477.09, 4,798.39 and 1,905.15

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Solution

The fourth proportional to 3,477.09, 4,798.39 and 1,905.15 is: 2,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.09 : 4,798.39 = 1,905.15 : x
  2. Step 2: Convert to fraction form
    3,477.09/4,798.39 = 1,905.15/x
  3. Step 3: Cross multiply
    3,477.09x = 4,798.39 × 1,905.15
  4. Step 4: Simplify right side
    3,477.09x = 9,141,669.51
  5. Step 5: Solve for x
    x = 9,141,669.51/3,477.09
  6. Step 6: Final answer
    x = 2,629.11

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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.