Home / 1,901.24-2,852.77-1,317.14

Finding the Fourth Proportional to 1,901.24, 2,852.77 and 1,317.14

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Solution

The fourth proportional to 1,901.24, 2,852.77 and 1,317.14 is: 1,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.24 : 2,852.77 = 1,317.14 : x
  2. Step 2: Convert to fraction form
    1,901.24/2,852.77 = 1,317.14/x
  3. Step 3: Cross multiply
    1,901.24x = 2,852.77 × 1,317.14
  4. Step 4: Simplify right side
    1,901.24x = 3,757,490.89
  5. Step 5: Solve for x
    x = 3,757,490.89/1,901.24
  6. Step 6: Final answer
    x = 1,976.34

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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.