Home / 3,690.21-5,534.34-2,520.01

Finding the Fourth Proportional to 3,690.21, 5,534.34 and 2,520.01

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Solution

The fourth proportional to 3,690.21, 5,534.34 and 2,520.01 is: 3,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.21 : 5,534.34 = 2,520.01 : x
  2. Step 2: Convert to fraction form
    3,690.21/5,534.34 = 2,520.01/x
  3. Step 3: Cross multiply
    3,690.21x = 5,534.34 × 2,520.01
  4. Step 4: Simplify right side
    3,690.21x = 13,946,592.14
  5. Step 5: Solve for x
    x = 13,946,592.14/3,690.21
  6. Step 6: Final answer
    x = 3,779.35

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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.