Home / 2,974.79-4,106.73-2,177.23

Finding the Fourth Proportional to 2,974.79, 4,106.73 and 2,177.23

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Solution

The fourth proportional to 2,974.79, 4,106.73 and 2,177.23 is: 3,005.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.79 : 4,106.73 = 2,177.23 : x
  2. Step 2: Convert to fraction form
    2,974.79/4,106.73 = 2,177.23/x
  3. Step 3: Cross multiply
    2,974.79x = 4,106.73 × 2,177.23
  4. Step 4: Simplify right side
    2,974.79x = 8,941,301.36
  5. Step 5: Solve for x
    x = 8,941,301.36/2,974.79
  6. Step 6: Final answer
    x = 3,005.69

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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.