Home / 1,412.29-2,119.17-1,025.48

Finding the Fourth Proportional to 1,412.29, 2,119.17 and 1,025.48

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Solution

The fourth proportional to 1,412.29, 2,119.17 and 1,025.48 is: 1,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.29 : 2,119.17 = 1,025.48 : x
  2. Step 2: Convert to fraction form
    1,412.29/2,119.17 = 1,025.48/x
  3. Step 3: Cross multiply
    1,412.29x = 2,119.17 × 1,025.48
  4. Step 4: Simplify right side
    1,412.29x = 2,173,165.40
  5. Step 5: Solve for x
    x = 2,173,165.40/1,412.29
  6. Step 6: Final answer
    x = 1,538.76

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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.