Home / 2,439.51-3,653-1,342.65

Finding the Fourth Proportional to 2,439.51, 3,653 and 1,342.65

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Solution

The fourth proportional to 2,439.51, 3,653 and 1,342.65 is: 2,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.51 : 3,653 = 1,342.65 : x
  2. Step 2: Convert to fraction form
    2,439.51/3,653 = 1,342.65/x
  3. Step 3: Cross multiply
    2,439.51x = 3,653 × 1,342.65
  4. Step 4: Simplify right side
    2,439.51x = 4,904,700.45
  5. Step 5: Solve for x
    x = 4,904,700.45/2,439.51
  6. Step 6: Final answer
    x = 2,010.53

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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.