Home / 1,653.18-2,480.35-1,100.11

Finding the Fourth Proportional to 1,653.18, 2,480.35 and 1,100.11

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Solution

The fourth proportional to 1,653.18, 2,480.35 and 1,100.11 is: 1,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.18 : 2,480.35 = 1,100.11 : x
  2. Step 2: Convert to fraction form
    1,653.18/2,480.35 = 1,100.11/x
  3. Step 3: Cross multiply
    1,653.18x = 2,480.35 × 1,100.11
  4. Step 4: Simplify right side
    1,653.18x = 2,728,652.34
  5. Step 5: Solve for x
    x = 2,728,652.34/1,653.18
  6. Step 6: Final answer
    x = 1,650.55

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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.