Home / 1,812.18-2,500.72-1,015.41

Finding the Fourth Proportional to 1,812.18, 2,500.72 and 1,015.41

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Solution

The fourth proportional to 1,812.18, 2,500.72 and 1,015.41 is: 1,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.18 : 2,500.72 = 1,015.41 : x
  2. Step 2: Convert to fraction form
    1,812.18/2,500.72 = 1,015.41/x
  3. Step 3: Cross multiply
    1,812.18x = 2,500.72 × 1,015.41
  4. Step 4: Simplify right side
    1,812.18x = 2,539,251.06
  5. Step 5: Solve for x
    x = 2,539,251.06/1,812.18
  6. Step 6: Final answer
    x = 1,401.21

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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.