Home / 2,808.77-4,207.51-1,398.94

Finding the Fourth Proportional to 2,808.77, 4,207.51 and 1,398.94

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Solution

The fourth proportional to 2,808.77, 4,207.51 and 1,398.94 is: 2,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.77 : 4,207.51 = 1,398.94 : x
  2. Step 2: Convert to fraction form
    2,808.77/4,207.51 = 1,398.94/x
  3. Step 3: Cross multiply
    2,808.77x = 4,207.51 × 1,398.94
  4. Step 4: Simplify right side
    2,808.77x = 5,886,033.00
  5. Step 5: Solve for x
    x = 5,886,033.00/2,808.77
  6. Step 6: Final answer
    x = 2,095.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.