Home / 1,890.43-2,829.66-1,066.26

Finding the Fourth Proportional to 1,890.43, 2,829.66 and 1,066.26

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Solution

The fourth proportional to 1,890.43, 2,829.66 and 1,066.26 is: 1,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.43 : 2,829.66 = 1,066.26 : x
  2. Step 2: Convert to fraction form
    1,890.43/2,829.66 = 1,066.26/x
  3. Step 3: Cross multiply
    1,890.43x = 2,829.66 × 1,066.26
  4. Step 4: Simplify right side
    1,890.43x = 3,017,153.27
  5. Step 5: Solve for x
    x = 3,017,153.27/1,890.43
  6. Step 6: Final answer
    x = 1,596.01

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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.