Home / 1,938.34-2,674.90-1,054.14

Finding the Fourth Proportional to 1,938.34, 2,674.90 and 1,054.14

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Solution

The fourth proportional to 1,938.34, 2,674.90 and 1,054.14 is: 1,454.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.34 : 2,674.90 = 1,054.14 : x
  2. Step 2: Convert to fraction form
    1,938.34/2,674.90 = 1,054.14/x
  3. Step 3: Cross multiply
    1,938.34x = 2,674.90 × 1,054.14
  4. Step 4: Simplify right side
    1,938.34x = 2,819,719.09
  5. Step 5: Solve for x
    x = 2,819,719.09/1,938.34
  6. Step 6: Final answer
    x = 1,454.71

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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.