Home / 2,036.01-2,809.70-1,289.19

Finding the Fourth Proportional to 2,036.01, 2,809.70 and 1,289.19

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Solution

The fourth proportional to 2,036.01, 2,809.70 and 1,289.19 is: 1,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.01 : 2,809.70 = 1,289.19 : x
  2. Step 2: Convert to fraction form
    2,036.01/2,809.70 = 1,289.19/x
  3. Step 3: Cross multiply
    2,036.01x = 2,809.70 × 1,289.19
  4. Step 4: Simplify right side
    2,036.01x = 3,622,237.14
  5. Step 5: Solve for x
    x = 3,622,237.14/2,036.01
  6. Step 6: Final answer
    x = 1,779.09

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1.5x scale

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.