Home / 3,135.87-4,703.85-1,492.59

Finding the Fourth Proportional to 3,135.87, 4,703.85 and 1,492.59

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Solution

The fourth proportional to 3,135.87, 4,703.85 and 1,492.59 is: 2,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.87 : 4,703.85 = 1,492.59 : x
  2. Step 2: Convert to fraction form
    3,135.87/4,703.85 = 1,492.59/x
  3. Step 3: Cross multiply
    3,135.87x = 4,703.85 × 1,492.59
  4. Step 4: Simplify right side
    3,135.87x = 7,020,919.47
  5. Step 5: Solve for x
    x = 7,020,919.47/3,135.87
  6. Step 6: Final answer
    x = 2,238.91

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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.