Home / 2,965.65-4,095.32-2,380.47

Finding the Fourth Proportional to 2,965.65, 4,095.32 and 2,380.47

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Solution

The fourth proportional to 2,965.65, 4,095.32 and 2,380.47 is: 3,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.65 : 4,095.32 = 2,380.47 : x
  2. Step 2: Convert to fraction form
    2,965.65/4,095.32 = 2,380.47/x
  3. Step 3: Cross multiply
    2,965.65x = 4,095.32 × 2,380.47
  4. Step 4: Simplify right side
    2,965.65x = 9,748,774.50
  5. Step 5: Solve for x
    x = 9,748,774.50/2,965.65
  6. Step 6: Final answer
    x = 3,287.23

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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.