Home / 2,630.84-3,943.49-1,707.03

Finding the Fourth Proportional to 2,630.84, 3,943.49 and 1,707.03

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Solution

The fourth proportional to 2,630.84, 3,943.49 and 1,707.03 is: 2,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.84 : 3,943.49 = 1,707.03 : x
  2. Step 2: Convert to fraction form
    2,630.84/3,943.49 = 1,707.03/x
  3. Step 3: Cross multiply
    2,630.84x = 3,943.49 × 1,707.03
  4. Step 4: Simplify right side
    2,630.84x = 6,731,647.20
  5. Step 5: Solve for x
    x = 6,731,647.20/2,630.84
  6. Step 6: Final answer
    x = 2,558.75

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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.