Home / 3,330.36-4,995.53-1,139.11

Finding the Fourth Proportional to 3,330.36, 4,995.53 and 1,139.11

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Solution

The fourth proportional to 3,330.36, 4,995.53 and 1,139.11 is: 1,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.36 : 4,995.53 = 1,139.11 : x
  2. Step 2: Convert to fraction form
    3,330.36/4,995.53 = 1,139.11/x
  3. Step 3: Cross multiply
    3,330.36x = 4,995.53 × 1,139.11
  4. Step 4: Simplify right side
    3,330.36x = 5,690,444.27
  5. Step 5: Solve for x
    x = 5,690,444.27/3,330.36
  6. Step 6: Final answer
    x = 1,708.66

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1.5x scale

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.