Home / 3,270.77-4,513.55-1,945.07

Finding the Fourth Proportional to 3,270.77, 4,513.55 and 1,945.07

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Solution

The fourth proportional to 3,270.77, 4,513.55 and 1,945.07 is: 2,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.77 : 4,513.55 = 1,945.07 : x
  2. Step 2: Convert to fraction form
    3,270.77/4,513.55 = 1,945.07/x
  3. Step 3: Cross multiply
    3,270.77x = 4,513.55 × 1,945.07
  4. Step 4: Simplify right side
    3,270.77x = 8,779,170.70
  5. Step 5: Solve for x
    x = 8,779,170.70/3,270.77
  6. Step 6: Final answer
    x = 2,684.13

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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.