Home / 2,098.08-3,143.88-1,395

Finding the Fourth Proportional to 2,098.08, 3,143.88 and 1,395

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Solution

The fourth proportional to 2,098.08, 3,143.88 and 1,395 is: 2,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.08 : 3,143.88 = 1,395 : x
  2. Step 2: Convert to fraction form
    2,098.08/3,143.88 = 1,395/x
  3. Step 3: Cross multiply
    2,098.08x = 3,143.88 × 1,395
  4. Step 4: Simplify right side
    2,098.08x = 4,385,712.60
  5. Step 5: Solve for x
    x = 4,385,712.60/2,098.08
  6. Step 6: Final answer
    x = 2,090.35

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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.