Home / 3,460.49-5,187.65-1,268.71

Finding the Fourth Proportional to 3,460.49, 5,187.65 and 1,268.71

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Solution

The fourth proportional to 3,460.49, 5,187.65 and 1,268.71 is: 1,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.49 : 5,187.65 = 1,268.71 : x
  2. Step 2: Convert to fraction form
    3,460.49/5,187.65 = 1,268.71/x
  3. Step 3: Cross multiply
    3,460.49x = 5,187.65 × 1,268.71
  4. Step 4: Simplify right side
    3,460.49x = 6,581,613.63
  5. Step 5: Solve for x
    x = 6,581,613.63/3,460.49
  6. Step 6: Final answer
    x = 1,901.93

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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.