Home / 2,029.99-2,801.38-1,098.49

Finding the Fourth Proportional to 2,029.99, 2,801.38 and 1,098.49

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Solution

The fourth proportional to 2,029.99, 2,801.38 and 1,098.49 is: 1,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.99 : 2,801.38 = 1,098.49 : x
  2. Step 2: Convert to fraction form
    2,029.99/2,801.38 = 1,098.49/x
  3. Step 3: Cross multiply
    2,029.99x = 2,801.38 × 1,098.49
  4. Step 4: Simplify right side
    2,029.99x = 3,077,287.92
  5. Step 5: Solve for x
    x = 3,077,287.92/2,029.99
  6. Step 6: Final answer
    x = 1,515.91

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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.