Home / 3,008.47-4,151.72-1,664.28

Finding the Fourth Proportional to 3,008.47, 4,151.72 and 1,664.28

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Solution

The fourth proportional to 3,008.47, 4,151.72 and 1,664.28 is: 2,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.47 : 4,151.72 = 1,664.28 : x
  2. Step 2: Convert to fraction form
    3,008.47/4,151.72 = 1,664.28/x
  3. Step 3: Cross multiply
    3,008.47x = 4,151.72 × 1,664.28
  4. Step 4: Simplify right side
    3,008.47x = 6,909,624.56
  5. Step 5: Solve for x
    x = 6,909,624.56/3,008.47
  6. Step 6: Final answer
    x = 2,296.72

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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.