Home / 2,029.89-2,801.25-1,098.39

Finding the Fourth Proportional to 2,029.89, 2,801.25 and 1,098.39

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Solution

The fourth proportional to 2,029.89, 2,801.25 and 1,098.39 is: 1,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.89 : 2,801.25 = 1,098.39 : x
  2. Step 2: Convert to fraction form
    2,029.89/2,801.25 = 1,098.39/x
  3. Step 3: Cross multiply
    2,029.89x = 2,801.25 × 1,098.39
  4. Step 4: Simplify right side
    2,029.89x = 3,076,864.99
  5. Step 5: Solve for x
    x = 3,076,864.99/2,029.89
  6. Step 6: Final answer
    x = 1,515.78

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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.