Home / 1,504.94-2,076.09-945.13

Finding the Fourth Proportional to 1,504.94, 2,076.09 and 945.13

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Solution

The fourth proportional to 1,504.94, 2,076.09 and 945.13 is: 1,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.94 : 2,076.09 = 945.13 : x
  2. Step 2: Convert to fraction form
    1,504.94/2,076.09 = 945.13/x
  3. Step 3: Cross multiply
    1,504.94x = 2,076.09 × 945.13
  4. Step 4: Simplify right side
    1,504.94x = 1,962,174.94
  5. Step 5: Solve for x
    x = 1,962,174.94/1,504.94
  6. Step 6: Final answer
    x = 1,303.82

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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.