Home / 3,748.77-5,622.20-1,115.69

Finding the Fourth Proportional to 3,748.77, 5,622.20 and 1,115.69

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Solution

The fourth proportional to 3,748.77, 5,622.20 and 1,115.69 is: 1,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.77 : 5,622.20 = 1,115.69 : x
  2. Step 2: Convert to fraction form
    3,748.77/5,622.20 = 1,115.69/x
  3. Step 3: Cross multiply
    3,748.77x = 5,622.20 × 1,115.69
  4. Step 4: Simplify right side
    3,748.77x = 6,272,632.32
  5. Step 5: Solve for x
    x = 6,272,632.32/3,748.77
  6. Step 6: Final answer
    x = 1,673.25

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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.