Home / 1,869.77-2,580.22-1,083.67

Finding the Fourth Proportional to 1,869.77, 2,580.22 and 1,083.67

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Solution

The fourth proportional to 1,869.77, 2,580.22 and 1,083.67 is: 1,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.77 : 2,580.22 = 1,083.67 : x
  2. Step 2: Convert to fraction form
    1,869.77/2,580.22 = 1,083.67/x
  3. Step 3: Cross multiply
    1,869.77x = 2,580.22 × 1,083.67
  4. Step 4: Simplify right side
    1,869.77x = 2,796,107.01
  5. Step 5: Solve for x
    x = 2,796,107.01/1,869.77
  6. Step 6: Final answer
    x = 1,495.43

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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.