Home / 2,561.12-3,533.96-1,441.80

Finding the Fourth Proportional to 2,561.12, 3,533.96 and 1,441.80

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Solution

The fourth proportional to 2,561.12, 3,533.96 and 1,441.80 is: 1,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.12 : 3,533.96 = 1,441.80 : x
  2. Step 2: Convert to fraction form
    2,561.12/3,533.96 = 1,441.80/x
  3. Step 3: Cross multiply
    2,561.12x = 3,533.96 × 1,441.80
  4. Step 4: Simplify right side
    2,561.12x = 5,095,267.13
  5. Step 5: Solve for x
    x = 5,095,267.13/2,561.12
  6. Step 6: Final answer
    x = 1,989.47

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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.