Home / 3,642.24-4,998.72-3,260.64

Finding the Fourth Proportional to 3,642.24, 4,998.72 and 3,260.64

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Solution

The fourth proportional to 3,642.24, 4,998.72 and 3,260.64 is: 4,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.24 : 4,998.72 = 3,260.64 : x
  2. Step 2: Convert to fraction form
    3,642.24/4,998.72 = 3,260.64/x
  3. Step 3: Cross multiply
    3,642.24x = 4,998.72 × 3,260.64
  4. Step 4: Simplify right side
    3,642.24x = 16,299,026.38
  5. Step 5: Solve for x
    x = 16,299,026.38/3,642.24
  6. Step 6: Final answer
    x = 4,475.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.