Home / 1,845.70-2,768.61-750.04

Finding the Fourth Proportional to 1,845.70, 2,768.61 and 750.04

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Solution

The fourth proportional to 1,845.70, 2,768.61 and 750.04 is: 1,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.70 : 2,768.61 = 750.04 : x
  2. Step 2: Convert to fraction form
    1,845.70/2,768.61 = 750.04/x
  3. Step 3: Cross multiply
    1,845.70x = 2,768.61 × 750.04
  4. Step 4: Simplify right side
    1,845.70x = 2,076,568.24
  5. Step 5: Solve for x
    x = 2,076,568.24/1,845.70
  6. Step 6: Final answer
    x = 1,125.08

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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.