Home / 2,220.22-3,063.32-1,510.81

Finding the Fourth Proportional to 2,220.22, 3,063.32 and 1,510.81

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Solution

The fourth proportional to 2,220.22, 3,063.32 and 1,510.81 is: 2,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.22 : 3,063.32 = 1,510.81 : x
  2. Step 2: Convert to fraction form
    2,220.22/3,063.32 = 1,510.81/x
  3. Step 3: Cross multiply
    2,220.22x = 3,063.32 × 1,510.81
  4. Step 4: Simplify right side
    2,220.22x = 4,628,079.28
  5. Step 5: Solve for x
    x = 4,628,079.28/2,220.22
  6. Step 6: Final answer
    x = 2,084.52

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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.