Home / 2,790.17-4,185.26-2,088.11

Finding the Fourth Proportional to 2,790.17, 4,185.26 and 2,088.11

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Solution

The fourth proportional to 2,790.17, 4,185.26 and 2,088.11 is: 3,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.17 : 4,185.26 = 2,088.11 : x
  2. Step 2: Convert to fraction form
    2,790.17/4,185.26 = 2,088.11/x
  3. Step 3: Cross multiply
    2,790.17x = 4,185.26 × 2,088.11
  4. Step 4: Simplify right side
    2,790.17x = 8,739,283.26
  5. Step 5: Solve for x
    x = 8,739,283.26/2,790.17
  6. Step 6: Final answer
    x = 3,132.17

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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.