Home / 1,296.04-1,935.79-1,172.45

Finding the Fourth Proportional to 1,296.04, 1,935.79 and 1,172.45

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Solution

The fourth proportional to 1,296.04, 1,935.79 and 1,172.45 is: 1,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.04 : 1,935.79 = 1,172.45 : x
  2. Step 2: Convert to fraction form
    1,296.04/1,935.79 = 1,172.45/x
  3. Step 3: Cross multiply
    1,296.04x = 1,935.79 × 1,172.45
  4. Step 4: Simplify right side
    1,296.04x = 2,269,615.08
  5. Step 5: Solve for x
    x = 2,269,615.08/1,296.04
  6. Step 6: Final answer
    x = 1,751.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.