Home / 2,408.03-3,612.95-1,109.19

Finding the Fourth Proportional to 2,408.03, 3,612.95 and 1,109.19

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Solution

The fourth proportional to 2,408.03, 3,612.95 and 1,109.19 is: 1,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.03 : 3,612.95 = 1,109.19 : x
  2. Step 2: Convert to fraction form
    2,408.03/3,612.95 = 1,109.19/x
  3. Step 3: Cross multiply
    2,408.03x = 3,612.95 × 1,109.19
  4. Step 4: Simplify right side
    2,408.03x = 4,007,442.46
  5. Step 5: Solve for x
    x = 4,007,442.46/2,408.03
  6. Step 6: Final answer
    x = 1,664.20

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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.