Home / 2,020.87-3,032.60-1,328.93

Finding the Fourth Proportional to 2,020.87, 3,032.60 and 1,328.93

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Solution

The fourth proportional to 2,020.87, 3,032.60 and 1,328.93 is: 1,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.87 : 3,032.60 = 1,328.93 : x
  2. Step 2: Convert to fraction form
    2,020.87/3,032.60 = 1,328.93/x
  3. Step 3: Cross multiply
    2,020.87x = 3,032.60 × 1,328.93
  4. Step 4: Simplify right side
    2,020.87x = 4,030,113.12
  5. Step 5: Solve for x
    x = 4,030,113.12/2,020.87
  6. Step 6: Final answer
    x = 1,994.25

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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.