Home / 2,180.48-3,270.70-881.93

Finding the Fourth Proportional to 2,180.48, 3,270.70 and 881.93

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Solution

The fourth proportional to 2,180.48, 3,270.70 and 881.93 is: 1,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.48 : 3,270.70 = 881.93 : x
  2. Step 2: Convert to fraction form
    2,180.48/3,270.70 = 881.93/x
  3. Step 3: Cross multiply
    2,180.48x = 3,270.70 × 881.93
  4. Step 4: Simplify right side
    2,180.48x = 2,884,528.45
  5. Step 5: Solve for x
    x = 2,884,528.45/2,180.48
  6. Step 6: Final answer
    x = 1,322.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.