Home / 3,887.38-5,830.92-1,114.05

Finding the Fourth Proportional to 3,887.38, 5,830.92 and 1,114.05

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Solution

The fourth proportional to 3,887.38, 5,830.92 and 1,114.05 is: 1,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.38 : 5,830.92 = 1,114.05 : x
  2. Step 2: Convert to fraction form
    3,887.38/5,830.92 = 1,114.05/x
  3. Step 3: Cross multiply
    3,887.38x = 5,830.92 × 1,114.05
  4. Step 4: Simplify right side
    3,887.38x = 6,495,907.27
  5. Step 5: Solve for x
    x = 6,495,907.27/3,887.38
  6. Step 6: Final answer
    x = 1,671.03

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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.