Home / 2,927.94-4,393.64-1,080.35

Finding the Fourth Proportional to 2,927.94, 4,393.64 and 1,080.35

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Solution

The fourth proportional to 2,927.94, 4,393.64 and 1,080.35 is: 1,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.94 : 4,393.64 = 1,080.35 : x
  2. Step 2: Convert to fraction form
    2,927.94/4,393.64 = 1,080.35/x
  3. Step 3: Cross multiply
    2,927.94x = 4,393.64 × 1,080.35
  4. Step 4: Simplify right side
    2,927.94x = 4,746,668.97
  5. Step 5: Solve for x
    x = 4,746,668.97/2,927.94
  6. Step 6: Final answer
    x = 1,621.16

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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.