Home / 3,638.02-5,452.76-1,686.12

Finding the Fourth Proportional to 3,638.02, 5,452.76 and 1,686.12

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Solution

The fourth proportional to 3,638.02, 5,452.76 and 1,686.12 is: 2,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.02 : 5,452.76 = 1,686.12 : x
  2. Step 2: Convert to fraction form
    3,638.02/5,452.76 = 1,686.12/x
  3. Step 3: Cross multiply
    3,638.02x = 5,452.76 × 1,686.12
  4. Step 4: Simplify right side
    3,638.02x = 9,193,972.00
  5. Step 5: Solve for x
    x = 9,193,972.00/3,638.02
  6. Step 6: Final answer
    x = 2,527.19

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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.