Home / 3,085.53-4,627.05-1,137.30

Finding the Fourth Proportional to 3,085.53, 4,627.05 and 1,137.30

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Solution

The fourth proportional to 3,085.53, 4,627.05 and 1,137.30 is: 1,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.53 : 4,627.05 = 1,137.30 : x
  2. Step 2: Convert to fraction form
    3,085.53/4,627.05 = 1,137.30/x
  3. Step 3: Cross multiply
    3,085.53x = 4,627.05 × 1,137.30
  4. Step 4: Simplify right side
    3,085.53x = 5,262,343.97
  5. Step 5: Solve for x
    x = 5,262,343.97/3,085.53
  6. Step 6: Final answer
    x = 1,705.49

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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.