Home / 2,083.08-2,873.91-1,243.20

Finding the Fourth Proportional to 2,083.08, 2,873.91 and 1,243.20

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Solution

The fourth proportional to 2,083.08, 2,873.91 and 1,243.20 is: 1,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.08 : 2,873.91 = 1,243.20 : x
  2. Step 2: Convert to fraction form
    2,083.08/2,873.91 = 1,243.20/x
  3. Step 3: Cross multiply
    2,083.08x = 2,873.91 × 1,243.20
  4. Step 4: Simplify right side
    2,083.08x = 3,572,844.91
  5. Step 5: Solve for x
    x = 3,572,844.91/2,083.08
  6. Step 6: Final answer
    x = 1,715.17

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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.