Home / 3,719.51-5,579.57-1,253.67

Finding the Fourth Proportional to 3,719.51, 5,579.57 and 1,253.67

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Solution

The fourth proportional to 3,719.51, 5,579.57 and 1,253.67 is: 1,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.51 : 5,579.57 = 1,253.67 : x
  2. Step 2: Convert to fraction form
    3,719.51/5,579.57 = 1,253.67/x
  3. Step 3: Cross multiply
    3,719.51x = 5,579.57 × 1,253.67
  4. Step 4: Simplify right side
    3,719.51x = 6,994,939.52
  5. Step 5: Solve for x
    x = 6,994,939.52/3,719.51
  6. Step 6: Final answer
    x = 1,880.61

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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.