Home / 3,935.23-5,430.77-2,443.97

Finding the Fourth Proportional to 3,935.23, 5,430.77 and 2,443.97

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Solution

The fourth proportional to 3,935.23, 5,430.77 and 2,443.97 is: 3,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.23 : 5,430.77 = 2,443.97 : x
  2. Step 2: Convert to fraction form
    3,935.23/5,430.77 = 2,443.97/x
  3. Step 3: Cross multiply
    3,935.23x = 5,430.77 × 2,443.97
  4. Step 4: Simplify right side
    3,935.23x = 13,272,640.89
  5. Step 5: Solve for x
    x = 13,272,640.89/3,935.23
  6. Step 6: Final answer
    x = 3,372.77

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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.