Home / 4,088.82-5,642.64-2,320.05

Finding the Fourth Proportional to 4,088.82, 5,642.64 and 2,320.05

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Solution

The fourth proportional to 4,088.82, 5,642.64 and 2,320.05 is: 3,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.82 : 5,642.64 = 2,320.05 : x
  2. Step 2: Convert to fraction form
    4,088.82/5,642.64 = 2,320.05/x
  3. Step 3: Cross multiply
    4,088.82x = 5,642.64 × 2,320.05
  4. Step 4: Simplify right side
    4,088.82x = 13,091,206.93
  5. Step 5: Solve for x
    x = 13,091,206.93/4,088.82
  6. Step 6: Final answer
    x = 3,201.71

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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.