Home / 1,898.46-2,618.88-1,649.22

Finding the Fourth Proportional to 1,898.46, 2,618.88 and 1,649.22

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Solution

The fourth proportional to 1,898.46, 2,618.88 and 1,649.22 is: 2,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.46 : 2,618.88 = 1,649.22 : x
  2. Step 2: Convert to fraction form
    1,898.46/2,618.88 = 1,649.22/x
  3. Step 3: Cross multiply
    1,898.46x = 2,618.88 × 1,649.22
  4. Step 4: Simplify right side
    1,898.46x = 4,319,109.27
  5. Step 5: Solve for x
    x = 4,319,109.27/1,898.46
  6. Step 6: Final answer
    x = 2,275.06

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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.