Home / 1,504.35-2,076.39-1,356.75

Finding the Fourth Proportional to 1,504.35, 2,076.39 and 1,356.75

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Solution

The fourth proportional to 1,504.35, 2,076.39 and 1,356.75 is: 1,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.35 : 2,076.39 = 1,356.75 : x
  2. Step 2: Convert to fraction form
    1,504.35/2,076.39 = 1,356.75/x
  3. Step 3: Cross multiply
    1,504.35x = 2,076.39 × 1,356.75
  4. Step 4: Simplify right side
    1,504.35x = 2,817,142.13
  5. Step 5: Solve for x
    x = 2,817,142.13/1,504.35
  6. Step 6: Final answer
    x = 1,872.66

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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.