Home / 3,112.96-4,666.56-1,649.92

Finding the Fourth Proportional to 3,112.96, 4,666.56 and 1,649.92

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Solution

The fourth proportional to 3,112.96, 4,666.56 and 1,649.92 is: 2,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.96 : 4,666.56 = 1,649.92 : x
  2. Step 2: Convert to fraction form
    3,112.96/4,666.56 = 1,649.92/x
  3. Step 3: Cross multiply
    3,112.96x = 4,666.56 × 1,649.92
  4. Step 4: Simplify right side
    3,112.96x = 7,699,450.68
  5. Step 5: Solve for x
    x = 7,699,450.68/3,112.96
  6. Step 6: Final answer
    x = 2,473.35

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1.5x scale

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.