Home / 3,612.86-5,429.55-2,465.90

Finding the Fourth Proportional to 3,612.86, 5,429.55 and 2,465.90

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Solution

The fourth proportional to 3,612.86, 5,429.55 and 2,465.90 is: 3,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.86 : 5,429.55 = 2,465.90 : x
  2. Step 2: Convert to fraction form
    3,612.86/5,429.55 = 2,465.90/x
  3. Step 3: Cross multiply
    3,612.86x = 5,429.55 × 2,465.90
  4. Step 4: Simplify right side
    3,612.86x = 13,388,727.35
  5. Step 5: Solve for x
    x = 13,388,727.35/3,612.86
  6. Step 6: Final answer
    x = 3,705.85

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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.