Home / 1,898.48-2,619.69-1,059.09

Finding the Fourth Proportional to 1,898.48, 2,619.69 and 1,059.09

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Solution

The fourth proportional to 1,898.48, 2,619.69 and 1,059.09 is: 1,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.48 : 2,619.69 = 1,059.09 : x
  2. Step 2: Convert to fraction form
    1,898.48/2,619.69 = 1,059.09/x
  3. Step 3: Cross multiply
    1,898.48x = 2,619.69 × 1,059.09
  4. Step 4: Simplify right side
    1,898.48x = 2,774,473.69
  5. Step 5: Solve for x
    x = 2,774,473.69/1,898.48
  6. Step 6: Final answer
    x = 1,461.42

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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.