Home / 2,009.18-2,770.16-1,299.81

Finding the Fourth Proportional to 2,009.18, 2,770.16 and 1,299.81

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Solution

The fourth proportional to 2,009.18, 2,770.16 and 1,299.81 is: 1,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.18 : 2,770.16 = 1,299.81 : x
  2. Step 2: Convert to fraction form
    2,009.18/2,770.16 = 1,299.81/x
  3. Step 3: Cross multiply
    2,009.18x = 2,770.16 × 1,299.81
  4. Step 4: Simplify right side
    2,009.18x = 3,600,675.17
  5. Step 5: Solve for x
    x = 3,600,675.17/2,009.18
  6. Step 6: Final answer
    x = 1,792.12

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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.