Home / 3,139.05-4,708.32-1,059.01

Finding the Fourth Proportional to 3,139.05, 4,708.32 and 1,059.01

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Solution

The fourth proportional to 3,139.05, 4,708.32 and 1,059.01 is: 1,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.05 : 4,708.32 = 1,059.01 : x
  2. Step 2: Convert to fraction form
    3,139.05/4,708.32 = 1,059.01/x
  3. Step 3: Cross multiply
    3,139.05x = 4,708.32 × 1,059.01
  4. Step 4: Simplify right side
    3,139.05x = 4,986,146.19
  5. Step 5: Solve for x
    x = 4,986,146.19/3,139.05
  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.