Home / 1,932.49-2,664.87-1,653.65

Finding the Fourth Proportional to 1,932.49, 2,664.87 and 1,653.65

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Solution

The fourth proportional to 1,932.49, 2,664.87 and 1,653.65 is: 2,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.49 : 2,664.87 = 1,653.65 : x
  2. Step 2: Convert to fraction form
    1,932.49/2,664.87 = 1,653.65/x
  3. Step 3: Cross multiply
    1,932.49x = 2,664.87 × 1,653.65
  4. Step 4: Simplify right side
    1,932.49x = 4,406,740.68
  5. Step 5: Solve for x
    x = 4,406,740.68/1,932.49
  6. Step 6: Final answer
    x = 2,280.35

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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.