Home / 2,975.55-4,106.28-1,649.27

Finding the Fourth Proportional to 2,975.55, 4,106.28 and 1,649.27

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Solution

The fourth proportional to 2,975.55, 4,106.28 and 1,649.27 is: 2,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.55 : 4,106.28 = 1,649.27 : x
  2. Step 2: Convert to fraction form
    2,975.55/4,106.28 = 1,649.27/x
  3. Step 3: Cross multiply
    2,975.55x = 4,106.28 × 1,649.27
  4. Step 4: Simplify right side
    2,975.55x = 6,772,380.87
  5. Step 5: Solve for x
    x = 6,772,380.87/2,975.55
  6. Step 6: Final answer
    x = 2,276.01

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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.