Home / 4,330.70-5,976.80-2,653.20

Finding the Fourth Proportional to 4,330.70, 5,976.80 and 2,653.20

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Solution

The fourth proportional to 4,330.70, 5,976.80 and 2,653.20 is: 3,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,330.70 : 5,976.80 = 2,653.20 : x
  2. Step 2: Convert to fraction form
    4,330.70/5,976.80 = 2,653.20/x
  3. Step 3: Cross multiply
    4,330.70x = 5,976.80 × 2,653.20
  4. Step 4: Simplify right side
    4,330.70x = 15,857,645.76
  5. Step 5: Solve for x
    x = 15,857,645.76/4,330.70
  6. Step 6: Final answer
    x = 3,661.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.