Home / 2,945.32-4,064.84-1,766.16

Finding the Fourth Proportional to 2,945.32, 4,064.84 and 1,766.16

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Solution

The fourth proportional to 2,945.32, 4,064.84 and 1,766.16 is: 2,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.32 : 4,064.84 = 1,766.16 : x
  2. Step 2: Convert to fraction form
    2,945.32/4,064.84 = 1,766.16/x
  3. Step 3: Cross multiply
    2,945.32x = 4,064.84 × 1,766.16
  4. Step 4: Simplify right side
    2,945.32x = 7,179,157.81
  5. Step 5: Solve for x
    x = 7,179,157.81/2,945.32
  6. Step 6: Final answer
    x = 2,437.48

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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.