Home / 2,908.65-4,013.98-1,649.68

Finding the Fourth Proportional to 2,908.65, 4,013.98 and 1,649.68

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Solution

The fourth proportional to 2,908.65, 4,013.98 and 1,649.68 is: 2,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.65 : 4,013.98 = 1,649.68 : x
  2. Step 2: Convert to fraction form
    2,908.65/4,013.98 = 1,649.68/x
  3. Step 3: Cross multiply
    2,908.65x = 4,013.98 × 1,649.68
  4. Step 4: Simplify right side
    2,908.65x = 6,621,782.53
  5. Step 5: Solve for x
    x = 6,621,782.53/2,908.65
  6. Step 6: Final answer
    x = 2,276.58

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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.