Home / 3,631.68-5,438.88-2,900.16

Finding the Fourth Proportional to 3,631.68, 5,438.88 and 2,900.16

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Solution

The fourth proportional to 3,631.68, 5,438.88 and 2,900.16 is: 4,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.68 : 5,438.88 = 2,900.16 : x
  2. Step 2: Convert to fraction form
    3,631.68/5,438.88 = 2,900.16/x
  3. Step 3: Cross multiply
    3,631.68x = 5,438.88 × 2,900.16
  4. Step 4: Simplify right side
    3,631.68x = 15,773,622.22
  5. Step 5: Solve for x
    x = 15,773,622.22/3,631.68
  6. Step 6: Final answer
    x = 4,343.34

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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.