Home / 4,159.69-5,740.37-2,391.86

Finding the Fourth Proportional to 4,159.69, 5,740.37 and 2,391.86

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Solution

The fourth proportional to 4,159.69, 5,740.37 and 2,391.86 is: 3,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.69 : 5,740.37 = 2,391.86 : x
  2. Step 2: Convert to fraction form
    4,159.69/5,740.37 = 2,391.86/x
  3. Step 3: Cross multiply
    4,159.69x = 5,740.37 × 2,391.86
  4. Step 4: Simplify right side
    4,159.69x = 13,730,172.75
  5. Step 5: Solve for x
    x = 13,730,172.75/4,159.69
  6. Step 6: Final answer
    x = 3,300.77

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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.