Home / 1,505.88-2,076.84-1,270.98

Finding the Fourth Proportional to 1,505.88, 2,076.84 and 1,270.98

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Solution

The fourth proportional to 1,505.88, 2,076.84 and 1,270.98 is: 1,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.88 : 2,076.84 = 1,270.98 : x
  2. Step 2: Convert to fraction form
    1,505.88/2,076.84 = 1,270.98/x
  3. Step 3: Cross multiply
    1,505.88x = 2,076.84 × 1,270.98
  4. Step 4: Simplify right side
    1,505.88x = 2,639,622.10
  5. Step 5: Solve for x
    x = 2,639,622.10/1,505.88
  6. Step 6: Final answer
    x = 1,752.88

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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.