Home / 1,825.19-2,519.15-1,161.90

Finding the Fourth Proportional to 1,825.19, 2,519.15 and 1,161.90

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Solution

The fourth proportional to 1,825.19, 2,519.15 and 1,161.90 is: 1,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.19 : 2,519.15 = 1,161.90 : x
  2. Step 2: Convert to fraction form
    1,825.19/2,519.15 = 1,161.90/x
  3. Step 3: Cross multiply
    1,825.19x = 2,519.15 × 1,161.90
  4. Step 4: Simplify right side
    1,825.19x = 2,927,000.39
  5. Step 5: Solve for x
    x = 2,927,000.39/1,825.19
  6. Step 6: Final answer
    x = 1,603.67

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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.