Home / 3,359.40-4,632.79-2,561.32

Finding the Fourth Proportional to 3,359.40, 4,632.79 and 2,561.32

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Solution

The fourth proportional to 3,359.40, 4,632.79 and 2,561.32 is: 3,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.40 : 4,632.79 = 2,561.32 : x
  2. Step 2: Convert to fraction form
    3,359.40/4,632.79 = 2,561.32/x
  3. Step 3: Cross multiply
    3,359.40x = 4,632.79 × 2,561.32
  4. Step 4: Simplify right side
    3,359.40x = 11,866,057.68
  5. Step 5: Solve for x
    x = 11,866,057.68/3,359.40
  6. Step 6: Final answer
    x = 3,532.20

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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.