Home / 3,312.06-4,570.83-1,820.13

Finding the Fourth Proportional to 3,312.06, 4,570.83 and 1,820.13

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Solution

The fourth proportional to 3,312.06, 4,570.83 and 1,820.13 is: 2,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.06 : 4,570.83 = 1,820.13 : x
  2. Step 2: Convert to fraction form
    3,312.06/4,570.83 = 1,820.13/x
  3. Step 3: Cross multiply
    3,312.06x = 4,570.83 × 1,820.13
  4. Step 4: Simplify right side
    3,312.06x = 8,319,504.81
  5. Step 5: Solve for x
    x = 8,319,504.81/3,312.06
  6. Step 6: Final answer
    x = 2,511.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.