Home / 2,957.06-4,076.03-2,898.74

Finding the Fourth Proportional to 2,957.06, 4,076.03 and 2,898.74

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Solution

The fourth proportional to 2,957.06, 4,076.03 and 2,898.74 is: 3,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.06 : 4,076.03 = 2,898.74 : x
  2. Step 2: Convert to fraction form
    2,957.06/4,076.03 = 2,898.74/x
  3. Step 3: Cross multiply
    2,957.06x = 4,076.03 × 2,898.74
  4. Step 4: Simplify right side
    2,957.06x = 11,815,351.20
  5. Step 5: Solve for x
    x = 11,815,351.20/2,957.06
  6. Step 6: Final answer
    x = 3,995.64

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1.5x scale

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.