Home / 2,969.49-4,097.34-1,693.20

Finding the Fourth Proportional to 2,969.49, 4,097.34 and 1,693.20

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Solution

The fourth proportional to 2,969.49, 4,097.34 and 1,693.20 is: 2,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.49 : 4,097.34 = 1,693.20 : x
  2. Step 2: Convert to fraction form
    2,969.49/4,097.34 = 1,693.20/x
  3. Step 3: Cross multiply
    2,969.49x = 4,097.34 × 1,693.20
  4. Step 4: Simplify right side
    2,969.49x = 6,937,616.09
  5. Step 5: Solve for x
    x = 6,937,616.09/2,969.49
  6. Step 6: Final answer
    x = 2,336.30

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1.5x scale

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.