Home / 3,104.89-4,284.75-1,707.64

Finding the Fourth Proportional to 3,104.89, 4,284.75 and 1,707.64

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Solution

The fourth proportional to 3,104.89, 4,284.75 and 1,707.64 is: 2,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.89 : 4,284.75 = 1,707.64 : x
  2. Step 2: Convert to fraction form
    3,104.89/4,284.75 = 1,707.64/x
  3. Step 3: Cross multiply
    3,104.89x = 4,284.75 × 1,707.64
  4. Step 4: Simplify right side
    3,104.89x = 7,316,810.49
  5. Step 5: Solve for x
    x = 7,316,810.49/3,104.89
  6. Step 6: Final answer
    x = 2,356.54

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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.