Home / 2,975.79-4,106.55-1,649.49

Finding the Fourth Proportional to 2,975.79, 4,106.55 and 1,649.49

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Solution

The fourth proportional to 2,975.79, 4,106.55 and 1,649.49 is: 2,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.79 : 4,106.55 = 1,649.49 : x
  2. Step 2: Convert to fraction form
    2,975.79/4,106.55 = 1,649.49/x
  3. Step 3: Cross multiply
    2,975.79x = 4,106.55 × 1,649.49
  4. Step 4: Simplify right side
    2,975.79x = 6,773,713.16
  5. Step 5: Solve for x
    x = 6,773,713.16/2,975.79
  6. Step 6: Final answer
    x = 2,276.27

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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.