Home / 2,098.68-2,896.20-1,313.28

Finding the Fourth Proportional to 2,098.68, 2,896.20 and 1,313.28

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Solution

The fourth proportional to 2,098.68, 2,896.20 and 1,313.28 is: 1,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.68 : 2,896.20 = 1,313.28 : x
  2. Step 2: Convert to fraction form
    2,098.68/2,896.20 = 1,313.28/x
  3. Step 3: Cross multiply
    2,098.68x = 2,896.20 × 1,313.28
  4. Step 4: Simplify right side
    2,098.68x = 3,803,521.54
  5. Step 5: Solve for x
    x = 3,803,521.54/2,098.68
  6. Step 6: Final answer
    x = 1,812.34

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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.