Home / 4,259.28-6,385.14-1,664.04

Finding the Fourth Proportional to 4,259.28, 6,385.14 and 1,664.04

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Solution

The fourth proportional to 4,259.28, 6,385.14 and 1,664.04 is: 2,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.28 : 6,385.14 = 1,664.04 : x
  2. Step 2: Convert to fraction form
    4,259.28/6,385.14 = 1,664.04/x
  3. Step 3: Cross multiply
    4,259.28x = 6,385.14 × 1,664.04
  4. Step 4: Simplify right side
    4,259.28x = 10,625,128.37
  5. Step 5: Solve for x
    x = 10,625,128.37/4,259.28
  6. Step 6: Final answer
    x = 2,494.58

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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.