Home / 2,957.09-4,080.29-1,698.08

Finding the Fourth Proportional to 2,957.09, 4,080.29 and 1,698.08

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Solution

The fourth proportional to 2,957.09, 4,080.29 and 1,698.08 is: 2,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.09 : 4,080.29 = 1,698.08 : x
  2. Step 2: Convert to fraction form
    2,957.09/4,080.29 = 1,698.08/x
  3. Step 3: Cross multiply
    2,957.09x = 4,080.29 × 1,698.08
  4. Step 4: Simplify right side
    2,957.09x = 6,928,629.95
  5. Step 5: Solve for x
    x = 6,928,629.95/2,957.09
  6. Step 6: Final answer
    x = 2,343.06

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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.