Home / 3,748.96-5,621.46-1,669.59

Finding the Fourth Proportional to 3,748.96, 5,621.46 and 1,669.59

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Solution

The fourth proportional to 3,748.96, 5,621.46 and 1,669.59 is: 2,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.96 : 5,621.46 = 1,669.59 : x
  2. Step 2: Convert to fraction form
    3,748.96/5,621.46 = 1,669.59/x
  3. Step 3: Cross multiply
    3,748.96x = 5,621.46 × 1,669.59
  4. Step 4: Simplify right side
    3,748.96x = 9,385,533.40
  5. Step 5: Solve for x
    x = 9,385,533.40/3,748.96
  6. Step 6: Final answer
    x = 2,503.50

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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.