Home / 3,740.79-5,159.93-2,676.45

Finding the Fourth Proportional to 3,740.79, 5,159.93 and 2,676.45

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Solution

The fourth proportional to 3,740.79, 5,159.93 and 2,676.45 is: 3,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.79 : 5,159.93 = 2,676.45 : x
  2. Step 2: Convert to fraction form
    3,740.79/5,159.93 = 2,676.45/x
  3. Step 3: Cross multiply
    3,740.79x = 5,159.93 × 2,676.45
  4. Step 4: Simplify right side
    3,740.79x = 13,810,281.27
  5. Step 5: Solve for x
    x = 13,810,281.27/3,740.79
  6. Step 6: Final answer
    x = 3,691.81

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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.