Home / 3,316.26-4,576.86-1,918.74

Finding the Fourth Proportional to 3,316.26, 4,576.86 and 1,918.74

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Solution

The fourth proportional to 3,316.26, 4,576.86 and 1,918.74 is: 2,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.26 : 4,576.86 = 1,918.74 : x
  2. Step 2: Convert to fraction form
    3,316.26/4,576.86 = 1,918.74/x
  3. Step 3: Cross multiply
    3,316.26x = 4,576.86 × 1,918.74
  4. Step 4: Simplify right side
    3,316.26x = 8,781,804.36
  5. Step 5: Solve for x
    x = 8,781,804.36/3,316.26
  6. Step 6: Final answer
    x = 2,648.10

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1.5x scale

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.