Home / 2,219.93-3,063.65-1,276.03

Finding the Fourth Proportional to 2,219.93, 3,063.65 and 1,276.03

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Solution

The fourth proportional to 2,219.93, 3,063.65 and 1,276.03 is: 1,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.93 : 3,063.65 = 1,276.03 : x
  2. Step 2: Convert to fraction form
    2,219.93/3,063.65 = 1,276.03/x
  3. Step 3: Cross multiply
    2,219.93x = 3,063.65 × 1,276.03
  4. Step 4: Simplify right side
    2,219.93x = 3,909,295.27
  5. Step 5: Solve for x
    x = 3,909,295.27/2,219.93
  6. Step 6: Final answer
    x = 1,761.00

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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.