Home / 3,937.50-5,908.28-1,745.70

Finding the Fourth Proportional to 3,937.50, 5,908.28 and 1,745.70

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Solution

The fourth proportional to 3,937.50, 5,908.28 and 1,745.70 is: 2,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.50 : 5,908.28 = 1,745.70 : x
  2. Step 2: Convert to fraction form
    3,937.50/5,908.28 = 1,745.70/x
  3. Step 3: Cross multiply
    3,937.50x = 5,908.28 × 1,745.70
  4. Step 4: Simplify right side
    3,937.50x = 10,314,084.40
  5. Step 5: Solve for x
    x = 10,314,084.40/3,937.50
  6. Step 6: Final answer
    x = 2,619.45

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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.