Home / 1,883.96-2,823.63-1,420.27

Finding the Fourth Proportional to 1,883.96, 2,823.63 and 1,420.27

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Solution

The fourth proportional to 1,883.96, 2,823.63 and 1,420.27 is: 2,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.96 : 2,823.63 = 1,420.27 : x
  2. Step 2: Convert to fraction form
    1,883.96/2,823.63 = 1,420.27/x
  3. Step 3: Cross multiply
    1,883.96x = 2,823.63 × 1,420.27
  4. Step 4: Simplify right side
    1,883.96x = 4,010,304.60
  5. Step 5: Solve for x
    x = 4,010,304.60/1,883.96
  6. Step 6: Final answer
    x = 2,128.66

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1.5x scale

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.