Home / 1,411.35-2,114.97-1,333.45

Finding the Fourth Proportional to 1,411.35, 2,114.97 and 1,333.45

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Solution

The fourth proportional to 1,411.35, 2,114.97 and 1,333.45 is: 1,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.35 : 2,114.97 = 1,333.45 : x
  2. Step 2: Convert to fraction form
    1,411.35/2,114.97 = 1,333.45/x
  3. Step 3: Cross multiply
    1,411.35x = 2,114.97 × 1,333.45
  4. Step 4: Simplify right side
    1,411.35x = 2,820,200.08
  5. Step 5: Solve for x
    x = 2,820,200.08/1,411.35
  6. Step 6: Final answer
    x = 1,998.23

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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.