Home / 2,009.93-2,774.03-1,223.84

Finding the Fourth Proportional to 2,009.93, 2,774.03 and 1,223.84

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Solution

The fourth proportional to 2,009.93, 2,774.03 and 1,223.84 is: 1,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.93 : 2,774.03 = 1,223.84 : x
  2. Step 2: Convert to fraction form
    2,009.93/2,774.03 = 1,223.84/x
  3. Step 3: Cross multiply
    2,009.93x = 2,774.03 × 1,223.84
  4. Step 4: Simplify right side
    2,009.93x = 3,394,962.76
  5. Step 5: Solve for x
    x = 3,394,962.76/2,009.93
  6. Step 6: Final answer
    x = 1,689.10

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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.