Home / 2,976.08-4,106.28-1,927.94

Finding the Fourth Proportional to 2,976.08, 4,106.28 and 1,927.94

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Solution

The fourth proportional to 2,976.08, 4,106.28 and 1,927.94 is: 2,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.08 : 4,106.28 = 1,927.94 : x
  2. Step 2: Convert to fraction form
    2,976.08/4,106.28 = 1,927.94/x
  3. Step 3: Cross multiply
    2,976.08x = 4,106.28 × 1,927.94
  4. Step 4: Simplify right side
    2,976.08x = 7,916,661.46
  5. Step 5: Solve for x
    x = 7,916,661.46/2,976.08
  6. Step 6: Final answer
    x = 2,660.10

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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.