Home / 2,041.88-2,817.78-1,157.66

Finding the Fourth Proportional to 2,041.88, 2,817.78 and 1,157.66

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Solution

The fourth proportional to 2,041.88, 2,817.78 and 1,157.66 is: 1,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.88 : 2,817.78 = 1,157.66 : x
  2. Step 2: Convert to fraction form
    2,041.88/2,817.78 = 1,157.66/x
  3. Step 3: Cross multiply
    2,041.88x = 2,817.78 × 1,157.66
  4. Step 4: Simplify right side
    2,041.88x = 3,262,031.19
  5. Step 5: Solve for x
    x = 3,262,031.19/2,041.88
  6. Step 6: Final answer
    x = 1,597.56

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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.