Home / 3,887.06-5,830.47-1,578.50

Finding the Fourth Proportional to 3,887.06, 5,830.47 and 1,578.50

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Solution

The fourth proportional to 3,887.06, 5,830.47 and 1,578.50 is: 2,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.06 : 5,830.47 = 1,578.50 : x
  2. Step 2: Convert to fraction form
    3,887.06/5,830.47 = 1,578.50/x
  3. Step 3: Cross multiply
    3,887.06x = 5,830.47 × 1,578.50
  4. Step 4: Simplify right side
    3,887.06x = 9,203,396.90
  5. Step 5: Solve for x
    x = 9,203,396.90/3,887.06
  6. Step 6: Final answer
    x = 2,367.70

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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.