Home / 2,904-4,351.92-1,259.28

Finding the Fourth Proportional to 2,904, 4,351.92 and 1,259.28

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Solution

The fourth proportional to 2,904, 4,351.92 and 1,259.28 is: 1,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904 : 4,351.92 = 1,259.28 : x
  2. Step 2: Convert to fraction form
    2,904/4,351.92 = 1,259.28/x
  3. Step 3: Cross multiply
    2,904x = 4,351.92 × 1,259.28
  4. Step 4: Simplify right side
    2,904x = 5,480,285.82
  5. Step 5: Solve for x
    x = 5,480,285.82/2,904
  6. Step 6: Final answer
    x = 1,887.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.