Home / 2,064.29-2,848.46-1,224.68

Finding the Fourth Proportional to 2,064.29, 2,848.46 and 1,224.68

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Solution

The fourth proportional to 2,064.29, 2,848.46 and 1,224.68 is: 1,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.29 : 2,848.46 = 1,224.68 : x
  2. Step 2: Convert to fraction form
    2,064.29/2,848.46 = 1,224.68/x
  3. Step 3: Cross multiply
    2,064.29x = 2,848.46 × 1,224.68
  4. Step 4: Simplify right side
    2,064.29x = 3,488,431.63
  5. Step 5: Solve for x
    x = 3,488,431.63/2,064.29
  6. Step 6: Final answer
    x = 1,689.90

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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.