Home / 2,290.08-3,419.52-1,901.28

Finding the Fourth Proportional to 2,290.08, 3,419.52 and 1,901.28

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Solution

The fourth proportional to 2,290.08, 3,419.52 and 1,901.28 is: 2,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.08 : 3,419.52 = 1,901.28 : x
  2. Step 2: Convert to fraction form
    2,290.08/3,419.52 = 1,901.28/x
  3. Step 3: Cross multiply
    2,290.08x = 3,419.52 × 1,901.28
  4. Step 4: Simplify right side
    2,290.08x = 6,501,464.99
  5. Step 5: Solve for x
    x = 6,501,464.99/2,290.08
  6. Step 6: Final answer
    x = 2,838.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.