Home / 2,057.63-2,839.73-1,271.93

Finding the Fourth Proportional to 2,057.63, 2,839.73 and 1,271.93

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Solution

The fourth proportional to 2,057.63, 2,839.73 and 1,271.93 is: 1,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.63 : 2,839.73 = 1,271.93 : x
  2. Step 2: Convert to fraction form
    2,057.63/2,839.73 = 1,271.93/x
  3. Step 3: Cross multiply
    2,057.63x = 2,839.73 × 1,271.93
  4. Step 4: Simplify right side
    2,057.63x = 3,611,917.22
  5. Step 5: Solve for x
    x = 3,611,917.22/2,057.63
  6. Step 6: Final answer
    x = 1,755.38

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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.