Home / 2,628.44-3,935.70-1,587.05

Finding the Fourth Proportional to 2,628.44, 3,935.70 and 1,587.05

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Solution

The fourth proportional to 2,628.44, 3,935.70 and 1,587.05 is: 2,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.44 : 3,935.70 = 1,587.05 : x
  2. Step 2: Convert to fraction form
    2,628.44/3,935.70 = 1,587.05/x
  3. Step 3: Cross multiply
    2,628.44x = 3,935.70 × 1,587.05
  4. Step 4: Simplify right side
    2,628.44x = 6,246,152.69
  5. Step 5: Solve for x
    x = 6,246,152.69/2,628.44
  6. Step 6: Final answer
    x = 2,376.37

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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.