Home / 2,898.06-3,998.08-1,718.50

Finding the Fourth Proportional to 2,898.06, 3,998.08 and 1,718.50

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Solution

The fourth proportional to 2,898.06, 3,998.08 and 1,718.50 is: 2,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.06 : 3,998.08 = 1,718.50 : x
  2. Step 2: Convert to fraction form
    2,898.06/3,998.08 = 1,718.50/x
  3. Step 3: Cross multiply
    2,898.06x = 3,998.08 × 1,718.50
  4. Step 4: Simplify right side
    2,898.06x = 6,870,700.48
  5. Step 5: Solve for x
    x = 6,870,700.48/2,898.06
  6. Step 6: Final answer
    x = 2,370.79

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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.