Home / 1,707.14-2,354.24-1,579.86

Finding the Fourth Proportional to 1,707.14, 2,354.24 and 1,579.86

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Solution

The fourth proportional to 1,707.14, 2,354.24 and 1,579.86 is: 2,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.14 : 2,354.24 = 1,579.86 : x
  2. Step 2: Convert to fraction form
    1,707.14/2,354.24 = 1,579.86/x
  3. Step 3: Cross multiply
    1,707.14x = 2,354.24 × 1,579.86
  4. Step 4: Simplify right side
    1,707.14x = 3,719,361.71
  5. Step 5: Solve for x
    x = 3,719,361.71/1,707.14
  6. Step 6: Final answer
    x = 2,178.72

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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.