Home / 3,017.57-4,527.90-1,438.08

Finding the Fourth Proportional to 3,017.57, 4,527.90 and 1,438.08

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Solution

The fourth proportional to 3,017.57, 4,527.90 and 1,438.08 is: 2,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.57 : 4,527.90 = 1,438.08 : x
  2. Step 2: Convert to fraction form
    3,017.57/4,527.90 = 1,438.08/x
  3. Step 3: Cross multiply
    3,017.57x = 4,527.90 × 1,438.08
  4. Step 4: Simplify right side
    3,017.57x = 6,511,482.43
  5. Step 5: Solve for x
    x = 6,511,482.43/3,017.57
  6. Step 6: Final answer
    x = 2,157.86

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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.