Home / 1,810.94-2,496.18-1,220.44

Finding the Fourth Proportional to 1,810.94, 2,496.18 and 1,220.44

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Solution

The fourth proportional to 1,810.94, 2,496.18 and 1,220.44 is: 1,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.94 : 2,496.18 = 1,220.44 : x
  2. Step 2: Convert to fraction form
    1,810.94/2,496.18 = 1,220.44/x
  3. Step 3: Cross multiply
    1,810.94x = 2,496.18 × 1,220.44
  4. Step 4: Simplify right side
    1,810.94x = 3,046,437.92
  5. Step 5: Solve for x
    x = 3,046,437.92/1,810.94
  6. Step 6: Final answer
    x = 1,682.24

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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.