Home / 3,686.15-5,535.26-2,421.74

Finding the Fourth Proportional to 3,686.15, 5,535.26 and 2,421.74

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Solution

The fourth proportional to 3,686.15, 5,535.26 and 2,421.74 is: 3,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.15 : 5,535.26 = 2,421.74 : x
  2. Step 2: Convert to fraction form
    3,686.15/5,535.26 = 2,421.74/x
  3. Step 3: Cross multiply
    3,686.15x = 5,535.26 × 2,421.74
  4. Step 4: Simplify right side
    3,686.15x = 13,404,980.44
  5. Step 5: Solve for x
    x = 13,404,980.44/3,686.15
  6. Step 6: Final answer
    x = 3,636.58

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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.