Home / 1,888.10-2,829.26-1,269.51

Finding the Fourth Proportional to 1,888.10, 2,829.26 and 1,269.51

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Solution

The fourth proportional to 1,888.10, 2,829.26 and 1,269.51 is: 1,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.10 : 2,829.26 = 1,269.51 : x
  2. Step 2: Convert to fraction form
    1,888.10/2,829.26 = 1,269.51/x
  3. Step 3: Cross multiply
    1,888.10x = 2,829.26 × 1,269.51
  4. Step 4: Simplify right side
    1,888.10x = 3,591,773.86
  5. Step 5: Solve for x
    x = 3,591,773.86/1,888.10
  6. Step 6: Final answer
    x = 1,902.32

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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.