Home / 2,036.84-2,809.08-1,289.96

Finding the Fourth Proportional to 2,036.84, 2,809.08 and 1,289.96

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Solution

The fourth proportional to 2,036.84, 2,809.08 and 1,289.96 is: 1,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.84 : 2,809.08 = 1,289.96 : x
  2. Step 2: Convert to fraction form
    2,036.84/2,809.08 = 1,289.96/x
  3. Step 3: Cross multiply
    2,036.84x = 2,809.08 × 1,289.96
  4. Step 4: Simplify right side
    2,036.84x = 3,623,600.84
  5. Step 5: Solve for x
    x = 3,623,600.84/2,036.84
  6. Step 6: Final answer
    x = 1,779.03

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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.