Home / 2,969.59-4,097.98-1,643.26

Finding the Fourth Proportional to 2,969.59, 4,097.98 and 1,643.26

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Solution

The fourth proportional to 2,969.59, 4,097.98 and 1,643.26 is: 2,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.59 : 4,097.98 = 1,643.26 : x
  2. Step 2: Convert to fraction form
    2,969.59/4,097.98 = 1,643.26/x
  3. Step 3: Cross multiply
    2,969.59x = 4,097.98 × 1,643.26
  4. Step 4: Simplify right side
    2,969.59x = 6,734,038.40
  5. Step 5: Solve for x
    x = 6,734,038.40/2,969.59
  6. Step 6: Final answer
    x = 2,267.67

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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.