Home / 2,083.02-3,125.43-1,108.88

Finding the Fourth Proportional to 2,083.02, 3,125.43 and 1,108.88

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Solution

The fourth proportional to 2,083.02, 3,125.43 and 1,108.88 is: 1,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.02 : 3,125.43 = 1,108.88 : x
  2. Step 2: Convert to fraction form
    2,083.02/3,125.43 = 1,108.88/x
  3. Step 3: Cross multiply
    2,083.02x = 3,125.43 × 1,108.88
  4. Step 4: Simplify right side
    2,083.02x = 3,465,726.82
  5. Step 5: Solve for x
    x = 3,465,726.82/2,083.02
  6. Step 6: Final answer
    x = 1,663.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.