Home / 1,828.48-2,519.36-1,237.98

Finding the Fourth Proportional to 1,828.48, 2,519.36 and 1,237.98

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Solution

The fourth proportional to 1,828.48, 2,519.36 and 1,237.98 is: 1,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.48 : 2,519.36 = 1,237.98 : x
  2. Step 2: Convert to fraction form
    1,828.48/2,519.36 = 1,237.98/x
  3. Step 3: Cross multiply
    1,828.48x = 2,519.36 × 1,237.98
  4. Step 4: Simplify right side
    1,828.48x = 3,118,917.29
  5. Step 5: Solve for x
    x = 3,118,917.29/1,828.48
  6. Step 6: Final answer
    x = 1,705.74

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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.