Home / 2,630.49-3,946.95-1,810.37

Finding the Fourth Proportional to 2,630.49, 3,946.95 and 1,810.37

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Solution

The fourth proportional to 2,630.49, 3,946.95 and 1,810.37 is: 2,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.49 : 3,946.95 = 1,810.37 : x
  2. Step 2: Convert to fraction form
    2,630.49/3,946.95 = 1,810.37/x
  3. Step 3: Cross multiply
    2,630.49x = 3,946.95 × 1,810.37
  4. Step 4: Simplify right side
    2,630.49x = 7,145,420.14
  5. Step 5: Solve for x
    x = 7,145,420.14/2,630.49
  6. Step 6: Final answer
    x = 2,716.38

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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.