Home / 2,379.12-3,586.16-2,280.32

Finding the Fourth Proportional to 2,379.12, 3,586.16 and 2,280.32

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Solution

The fourth proportional to 2,379.12, 3,586.16 and 2,280.32 is: 3,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.12 : 3,586.16 = 2,280.32 : x
  2. Step 2: Convert to fraction form
    2,379.12/3,586.16 = 2,280.32/x
  3. Step 3: Cross multiply
    2,379.12x = 3,586.16 × 2,280.32
  4. Step 4: Simplify right side
    2,379.12x = 8,177,592.37
  5. Step 5: Solve for x
    x = 8,177,592.37/2,379.12
  6. Step 6: Final answer
    x = 3,437.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.