Home / 1,923.17-2,653.97-1,038.97

Finding the Fourth Proportional to 1,923.17, 2,653.97 and 1,038.97

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Solution

The fourth proportional to 1,923.17, 2,653.97 and 1,038.97 is: 1,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.17 : 2,653.97 = 1,038.97 : x
  2. Step 2: Convert to fraction form
    1,923.17/2,653.97 = 1,038.97/x
  3. Step 3: Cross multiply
    1,923.17x = 2,653.97 × 1,038.97
  4. Step 4: Simplify right side
    1,923.17x = 2,757,395.21
  5. Step 5: Solve for x
    x = 2,757,395.21/1,923.17
  6. Step 6: Final answer
    x = 1,433.78

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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.