Home / 2,232.20-3,077.70-1,811.00

Finding the Fourth Proportional to 2,232.20, 3,077.70 and 1,811.00

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Solution

The fourth proportional to 2,232.20, 3,077.70 and 1,811.00 is: 2,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.20 : 3,077.70 = 1,811.00 : x
  2. Step 2: Convert to fraction form
    2,232.20/3,077.70 = 1,811.00/x
  3. Step 3: Cross multiply
    2,232.20x = 3,077.70 × 1,811.00
  4. Step 4: Simplify right side
    2,232.20x = 5,573,699.31
  5. Step 5: Solve for x
    x = 5,573,699.31/2,232.20
  6. Step 6: Final answer
    x = 2,496.96

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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.