Home / 2,035.04-2,809.68-1,289.44

Finding the Fourth Proportional to 2,035.04, 2,809.68 and 1,289.44

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Solution

The fourth proportional to 2,035.04, 2,809.68 and 1,289.44 is: 1,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.04 : 2,809.68 = 1,289.44 : x
  2. Step 2: Convert to fraction form
    2,035.04/2,809.68 = 1,289.44/x
  3. Step 3: Cross multiply
    2,035.04x = 2,809.68 × 1,289.44
  4. Step 4: Simplify right side
    2,035.04x = 3,622,913.78
  5. Step 5: Solve for x
    x = 3,622,913.78/2,035.04
  6. Step 6: Final answer
    x = 1,780.27

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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.