Home / 3,576.80-4,935.66-2,085.68

Finding the Fourth Proportional to 3,576.80, 4,935.66 and 2,085.68

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Solution

The fourth proportional to 3,576.80, 4,935.66 and 2,085.68 is: 2,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.80 : 4,935.66 = 2,085.68 : x
  2. Step 2: Convert to fraction form
    3,576.80/4,935.66 = 2,085.68/x
  3. Step 3: Cross multiply
    3,576.80x = 4,935.66 × 2,085.68
  4. Step 4: Simplify right side
    3,576.80x = 10,294,207.35
  5. Step 5: Solve for x
    x = 10,294,207.35/3,576.80
  6. Step 6: Final answer
    x = 2,878.05

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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.