Home / 3,485.86-5,229.31-1,637.17

Finding the Fourth Proportional to 3,485.86, 5,229.31 and 1,637.17

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Solution

The fourth proportional to 3,485.86, 5,229.31 and 1,637.17 is: 2,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.86 : 5,229.31 = 1,637.17 : x
  2. Step 2: Convert to fraction form
    3,485.86/5,229.31 = 1,637.17/x
  3. Step 3: Cross multiply
    3,485.86x = 5,229.31 × 1,637.17
  4. Step 4: Simplify right side
    3,485.86x = 8,561,269.45
  5. Step 5: Solve for x
    x = 8,561,269.45/3,485.86
  6. Step 6: Final answer
    x = 2,456.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.