Home / 4,159.30-5,739.75-2,390.86

Finding the Fourth Proportional to 4,159.30, 5,739.75 and 2,390.86

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Solution

The fourth proportional to 4,159.30, 5,739.75 and 2,390.86 is: 3,299.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.30 : 5,739.75 = 2,390.86 : x
  2. Step 2: Convert to fraction form
    4,159.30/5,739.75 = 2,390.86/x
  3. Step 3: Cross multiply
    4,159.30x = 5,739.75 × 2,390.86
  4. Step 4: Simplify right side
    4,159.30x = 13,722,938.69
  5. Step 5: Solve for x
    x = 13,722,938.69/4,159.30
  6. Step 6: Final answer
    x = 3,299.34

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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.