Home / 4,159.52-5,739.36-2,391.20

Finding the Fourth Proportional to 4,159.52, 5,739.36 and 2,391.20

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Solution

The fourth proportional to 4,159.52, 5,739.36 and 2,391.20 is: 3,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.52 : 5,739.36 = 2,391.20 : x
  2. Step 2: Convert to fraction form
    4,159.52/5,739.36 = 2,391.20/x
  3. Step 3: Cross multiply
    4,159.52x = 5,739.36 × 2,391.20
  4. Step 4: Simplify right side
    4,159.52x = 13,723,957.63
  5. Step 5: Solve for x
    x = 13,723,957.63/4,159.52
  6. Step 6: Final answer
    x = 3,299.41

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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.