Home / 4,145.22-5,721.10-2,653.07

Finding the Fourth Proportional to 4,145.22, 5,721.10 and 2,653.07

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Solution

The fourth proportional to 4,145.22, 5,721.10 and 2,653.07 is: 3,661.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.22 : 5,721.10 = 2,653.07 : x
  2. Step 2: Convert to fraction form
    4,145.22/5,721.10 = 2,653.07/x
  3. Step 3: Cross multiply
    4,145.22x = 5,721.10 × 2,653.07
  4. Step 4: Simplify right side
    4,145.22x = 15,178,443.54
  5. Step 5: Solve for x
    x = 15,178,443.54/4,145.22
  6. Step 6: Final answer
    x = 3,661.67

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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.