Home / 2,042.15-2,816.26-1,333.20

Finding the Fourth Proportional to 2,042.15, 2,816.26 and 1,333.20

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Solution

The fourth proportional to 2,042.15, 2,816.26 and 1,333.20 is: 1,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.15 : 2,816.26 = 1,333.20 : x
  2. Step 2: Convert to fraction form
    2,042.15/2,816.26 = 1,333.20/x
  3. Step 3: Cross multiply
    2,042.15x = 2,816.26 × 1,333.20
  4. Step 4: Simplify right side
    2,042.15x = 3,754,634.50
  5. Step 5: Solve for x
    x = 3,754,634.50/2,042.15
  6. Step 6: Final answer
    x = 1,838.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.