Home / 4,259.66-6,391.74-1,628.96

Finding the Fourth Proportional to 4,259.66, 6,391.74 and 1,628.96

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Solution

The fourth proportional to 4,259.66, 6,391.74 and 1,628.96 is: 2,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.66 : 6,391.74 = 1,628.96 : x
  2. Step 2: Convert to fraction form
    4,259.66/6,391.74 = 1,628.96/x
  3. Step 3: Cross multiply
    4,259.66x = 6,391.74 × 1,628.96
  4. Step 4: Simplify right side
    4,259.66x = 10,411,888.79
  5. Step 5: Solve for x
    x = 10,411,888.79/4,259.66
  6. Step 6: Final answer
    x = 2,444.30

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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.