Home / 2,070.36-2,857.68-1,273.93

Finding the Fourth Proportional to 2,070.36, 2,857.68 and 1,273.93

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Solution

The fourth proportional to 2,070.36, 2,857.68 and 1,273.93 is: 1,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.36 : 2,857.68 = 1,273.93 : x
  2. Step 2: Convert to fraction form
    2,070.36/2,857.68 = 1,273.93/x
  3. Step 3: Cross multiply
    2,070.36x = 2,857.68 × 1,273.93
  4. Step 4: Simplify right side
    2,070.36x = 3,640,477.14
  5. Step 5: Solve for x
    x = 3,640,477.14/2,070.36
  6. Step 6: Final answer
    x = 1,758.38

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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.