Home / 4,159.40-5,740.30-2,391.56

Finding the Fourth Proportional to 4,159.40, 5,740.30 and 2,391.56

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Solution

The fourth proportional to 4,159.40, 5,740.30 and 2,391.56 is: 3,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.40 : 5,740.30 = 2,391.56 : x
  2. Step 2: Convert to fraction form
    4,159.40/5,740.30 = 2,391.56/x
  3. Step 3: Cross multiply
    4,159.40x = 5,740.30 × 2,391.56
  4. Step 4: Simplify right side
    4,159.40x = 13,728,271.87
  5. Step 5: Solve for x
    x = 13,728,271.87/4,159.40
  6. Step 6: Final answer
    x = 3,300.54

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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.