Home / 1,938.24-2,674.66-1,054.05

Finding the Fourth Proportional to 1,938.24, 2,674.66 and 1,054.05

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Solution

The fourth proportional to 1,938.24, 2,674.66 and 1,054.05 is: 1,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.24 : 2,674.66 = 1,054.05 : x
  2. Step 2: Convert to fraction form
    1,938.24/2,674.66 = 1,054.05/x
  3. Step 3: Cross multiply
    1,938.24x = 2,674.66 × 1,054.05
  4. Step 4: Simplify right side
    1,938.24x = 2,819,225.37
  5. Step 5: Solve for x
    x = 2,819,225.37/1,938.24
  6. Step 6: Final answer
    x = 1,454.53

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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.