Home / 2,624.15-3,936.42-1,585.32

Finding the Fourth Proportional to 2,624.15, 3,936.42 and 1,585.32

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Solution

The fourth proportional to 2,624.15, 3,936.42 and 1,585.32 is: 2,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.15 : 3,936.42 = 1,585.32 : x
  2. Step 2: Convert to fraction form
    2,624.15/3,936.42 = 1,585.32/x
  3. Step 3: Cross multiply
    2,624.15x = 3,936.42 × 1,585.32
  4. Step 4: Simplify right side
    2,624.15x = 6,240,485.35
  5. Step 5: Solve for x
    x = 6,240,485.35/2,624.15
  6. Step 6: Final answer
    x = 2,378.10

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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.