Home / 3,748.83-5,622.90-3,455.21

Finding the Fourth Proportional to 3,748.83, 5,622.90 and 3,455.21

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Solution

The fourth proportional to 3,748.83, 5,622.90 and 3,455.21 is: 5,182.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.83 : 5,622.90 = 3,455.21 : x
  2. Step 2: Convert to fraction form
    3,748.83/5,622.90 = 3,455.21/x
  3. Step 3: Cross multiply
    3,748.83x = 5,622.90 × 3,455.21
  4. Step 4: Simplify right side
    3,748.83x = 19,428,272.19
  5. Step 5: Solve for x
    x = 19,428,272.19/3,748.83
  6. Step 6: Final answer
    x = 5,182.49

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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.