Home / 2,135.03-3,204.16-1,440.05

Finding the Fourth Proportional to 2,135.03, 3,204.16 and 1,440.05

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Solution

The fourth proportional to 2,135.03, 3,204.16 and 1,440.05 is: 2,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.03 : 3,204.16 = 1,440.05 : x
  2. Step 2: Convert to fraction form
    2,135.03/3,204.16 = 1,440.05/x
  3. Step 3: Cross multiply
    2,135.03x = 3,204.16 × 1,440.05
  4. Step 4: Simplify right side
    2,135.03x = 4,614,130.99
  5. Step 5: Solve for x
    x = 4,614,130.99/2,135.03
  6. Step 6: Final answer
    x = 2,161.16

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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.