Home / 1,460.28-2,180.79-1,299

Finding the Fourth Proportional to 1,460.28, 2,180.79 and 1,299

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Solution

The fourth proportional to 1,460.28, 2,180.79 and 1,299 is: 1,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.28 : 2,180.79 = 1,299 : x
  2. Step 2: Convert to fraction form
    1,460.28/2,180.79 = 1,299/x
  3. Step 3: Cross multiply
    1,460.28x = 2,180.79 × 1,299
  4. Step 4: Simplify right side
    1,460.28x = 2,832,846.21
  5. Step 5: Solve for x
    x = 2,832,846.21/1,460.28
  6. Step 6: Final answer
    x = 1,939.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.