Home / 2,631.36-3,944.40-1,707.52

Finding the Fourth Proportional to 2,631.36, 3,944.40 and 1,707.52

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Solution

The fourth proportional to 2,631.36, 3,944.40 and 1,707.52 is: 2,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.36 : 3,944.40 = 1,707.52 : x
  2. Step 2: Convert to fraction form
    2,631.36/3,944.40 = 1,707.52/x
  3. Step 3: Cross multiply
    2,631.36x = 3,944.40 × 1,707.52
  4. Step 4: Simplify right side
    2,631.36x = 6,735,141.89
  5. Step 5: Solve for x
    x = 6,735,141.89/2,631.36
  6. Step 6: Final answer
    x = 2,559.57

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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.