Home / 4,051.28-6,077.42-1,585.78

Finding the Fourth Proportional to 4,051.28, 6,077.42 and 1,585.78

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Solution

The fourth proportional to 4,051.28, 6,077.42 and 1,585.78 is: 2,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.28 : 6,077.42 = 1,585.78 : x
  2. Step 2: Convert to fraction form
    4,051.28/6,077.42 = 1,585.78/x
  3. Step 3: Cross multiply
    4,051.28x = 6,077.42 × 1,585.78
  4. Step 4: Simplify right side
    4,051.28x = 9,637,439.86
  5. Step 5: Solve for x
    x = 9,637,439.86/4,051.28
  6. Step 6: Final answer
    x = 2,378.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.