Home / 2,929-4,387.56-2,440.48

Finding the Fourth Proportional to 2,929, 4,387.56 and 2,440.48

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Solution

The fourth proportional to 2,929, 4,387.56 and 2,440.48 is: 3,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929 : 4,387.56 = 2,440.48 : x
  2. Step 2: Convert to fraction form
    2,929/4,387.56 = 2,440.48/x
  3. Step 3: Cross multiply
    2,929x = 4,387.56 × 2,440.48
  4. Step 4: Simplify right side
    2,929x = 10,707,752.43
  5. Step 5: Solve for x
    x = 10,707,752.43/2,929
  6. Step 6: Final answer
    x = 3,655.77

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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.