Home / 3,642.36-5,021.55-3,088.32

Finding the Fourth Proportional to 3,642.36, 5,021.55 and 3,088.32

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Solution

The fourth proportional to 3,642.36, 5,021.55 and 3,088.32 is: 4,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.36 : 5,021.55 = 3,088.32 : x
  2. Step 2: Convert to fraction form
    3,642.36/5,021.55 = 3,088.32/x
  3. Step 3: Cross multiply
    3,642.36x = 5,021.55 × 3,088.32
  4. Step 4: Simplify right side
    3,642.36x = 15,508,153.30
  5. Step 5: Solve for x
    x = 15,508,153.30/3,642.36
  6. Step 6: Final answer
    x = 4,257.72

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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.