Home / 3,516.69-4,858.89-2,776.32

Finding the Fourth Proportional to 3,516.69, 4,858.89 and 2,776.32

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Solution

The fourth proportional to 3,516.69, 4,858.89 and 2,776.32 is: 3,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.69 : 4,858.89 = 2,776.32 : x
  2. Step 2: Convert to fraction form
    3,516.69/4,858.89 = 2,776.32/x
  3. Step 3: Cross multiply
    3,516.69x = 4,858.89 × 2,776.32
  4. Step 4: Simplify right side
    3,516.69x = 13,489,823.07
  5. Step 5: Solve for x
    x = 13,489,823.07/3,516.69
  6. Step 6: Final answer
    x = 3,835.94

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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.