Home / 3,140.37-4,707.32-1,059.68

Finding the Fourth Proportional to 3,140.37, 4,707.32 and 1,059.68

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Solution

The fourth proportional to 3,140.37, 4,707.32 and 1,059.68 is: 1,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.37 : 4,707.32 = 1,059.68 : x
  2. Step 2: Convert to fraction form
    3,140.37/4,707.32 = 1,059.68/x
  3. Step 3: Cross multiply
    3,140.37x = 4,707.32 × 1,059.68
  4. Step 4: Simplify right side
    3,140.37x = 4,988,259.33
  5. Step 5: Solve for x
    x = 4,988,259.33/3,140.37
  6. Step 6: Final answer
    x = 1,588.43

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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.