Home / 4,115.42-5,678.83-2,436.90

Finding the Fourth Proportional to 4,115.42, 5,678.83 and 2,436.90

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Solution

The fourth proportional to 4,115.42, 5,678.83 and 2,436.90 is: 3,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.42 : 5,678.83 = 2,436.90 : x
  2. Step 2: Convert to fraction form
    4,115.42/5,678.83 = 2,436.90/x
  3. Step 3: Cross multiply
    4,115.42x = 5,678.83 × 2,436.90
  4. Step 4: Simplify right side
    4,115.42x = 13,838,740.83
  5. Step 5: Solve for x
    x = 13,838,740.83/4,115.42
  6. Step 6: Final answer
    x = 3,362.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.