Home / 1,371.03-2,056.29-1,141.40

Finding the Fourth Proportional to 1,371.03, 2,056.29 and 1,141.40

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Solution

The fourth proportional to 1,371.03, 2,056.29 and 1,141.40 is: 1,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.03 : 2,056.29 = 1,141.40 : x
  2. Step 2: Convert to fraction form
    1,371.03/2,056.29 = 1,141.40/x
  3. Step 3: Cross multiply
    1,371.03x = 2,056.29 × 1,141.40
  4. Step 4: Simplify right side
    1,371.03x = 2,347,039.12
  5. Step 5: Solve for x
    x = 2,347,039.12/1,371.03
  6. Step 6: Final answer
    x = 1,711.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.