Home / 1,938.43-2,674.95-1,054.23

Finding the Fourth Proportional to 1,938.43, 2,674.95 and 1,054.23

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Solution

The fourth proportional to 1,938.43, 2,674.95 and 1,054.23 is: 1,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.43 : 2,674.95 = 1,054.23 : x
  2. Step 2: Convert to fraction form
    1,938.43/2,674.95 = 1,054.23/x
  3. Step 3: Cross multiply
    1,938.43x = 2,674.95 × 1,054.23
  4. Step 4: Simplify right side
    1,938.43x = 2,820,021.51
  5. Step 5: Solve for x
    x = 2,820,021.51/1,938.43
  6. Step 6: Final answer
    x = 1,454.80

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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.