Home / 2,911.58-4,364.80-1,157.82

Finding the Fourth Proportional to 2,911.58, 4,364.80 and 1,157.82

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Solution

The fourth proportional to 2,911.58, 4,364.80 and 1,157.82 is: 1,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.58 : 4,364.80 = 1,157.82 : x
  2. Step 2: Convert to fraction form
    2,911.58/4,364.80 = 1,157.82/x
  3. Step 3: Cross multiply
    2,911.58x = 4,364.80 × 1,157.82
  4. Step 4: Simplify right side
    2,911.58x = 5,053,633.47
  5. Step 5: Solve for x
    x = 5,053,633.47/2,911.58
  6. Step 6: Final answer
    x = 1,735.70

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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.