Home / 2,969.32-4,453.98-1,214.50

Finding the Fourth Proportional to 2,969.32, 4,453.98 and 1,214.50

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Solution

The fourth proportional to 2,969.32, 4,453.98 and 1,214.50 is: 1,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.32 : 4,453.98 = 1,214.50 : x
  2. Step 2: Convert to fraction form
    2,969.32/4,453.98 = 1,214.50/x
  3. Step 3: Cross multiply
    2,969.32x = 4,453.98 × 1,214.50
  4. Step 4: Simplify right side
    2,969.32x = 5,409,358.71
  5. Step 5: Solve for x
    x = 5,409,358.71/2,969.32
  6. Step 6: Final answer
    x = 1,821.75

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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.