Home / 3,330.32-4,995.57-1,139.01

Finding the Fourth Proportional to 3,330.32, 4,995.57 and 1,139.01

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Solution

The fourth proportional to 3,330.32, 4,995.57 and 1,139.01 is: 1,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.32 : 4,995.57 = 1,139.01 : x
  2. Step 2: Convert to fraction form
    3,330.32/4,995.57 = 1,139.01/x
  3. Step 3: Cross multiply
    3,330.32x = 4,995.57 × 1,139.01
  4. Step 4: Simplify right side
    3,330.32x = 5,690,004.19
  5. Step 5: Solve for x
    x = 5,690,004.19/3,330.32
  6. Step 6: Final answer
    x = 1,708.55

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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.