Home / 3,415.24-5,118.60-1,465.18

Finding the Fourth Proportional to 3,415.24, 5,118.60 and 1,465.18

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Solution

The fourth proportional to 3,415.24, 5,118.60 and 1,465.18 is: 2,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.24 : 5,118.60 = 1,465.18 : x
  2. Step 2: Convert to fraction form
    3,415.24/5,118.60 = 1,465.18/x
  3. Step 3: Cross multiply
    3,415.24x = 5,118.60 × 1,465.18
  4. Step 4: Simplify right side
    3,415.24x = 7,499,670.35
  5. Step 5: Solve for x
    x = 7,499,670.35/3,415.24
  6. Step 6: Final answer
    x = 2,195.94

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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.