Home / 1,938.01-2,674.48-1,053.81

Finding the Fourth Proportional to 1,938.01, 2,674.48 and 1,053.81

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Solution

The fourth proportional to 1,938.01, 2,674.48 and 1,053.81 is: 1,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.01 : 2,674.48 = 1,053.81 : x
  2. Step 2: Convert to fraction form
    1,938.01/2,674.48 = 1,053.81/x
  3. Step 3: Cross multiply
    1,938.01x = 2,674.48 × 1,053.81
  4. Step 4: Simplify right side
    1,938.01x = 2,818,391.13
  5. Step 5: Solve for x
    x = 2,818,391.13/1,938.01
  6. Step 6: Final answer
    x = 1,454.27

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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.