Home / 2,315.44-3,195.28-1,267.50

Finding the Fourth Proportional to 2,315.44, 3,195.28 and 1,267.50

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Solution

The fourth proportional to 2,315.44, 3,195.28 and 1,267.50 is: 1,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.44 : 3,195.28 = 1,267.50 : x
  2. Step 2: Convert to fraction form
    2,315.44/3,195.28 = 1,267.50/x
  3. Step 3: Cross multiply
    2,315.44x = 3,195.28 × 1,267.50
  4. Step 4: Simplify right side
    2,315.44x = 4,050,017.40
  5. Step 5: Solve for x
    x = 4,050,017.40/2,315.44
  6. Step 6: Final answer
    x = 1,749.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.