Home / 3,355.81-5,011.10-2,740.71

Finding the Fourth Proportional to 3,355.81, 5,011.10 and 2,740.71

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Solution

The fourth proportional to 3,355.81, 5,011.10 and 2,740.71 is: 4,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.81 : 5,011.10 = 2,740.71 : x
  2. Step 2: Convert to fraction form
    3,355.81/5,011.10 = 2,740.71/x
  3. Step 3: Cross multiply
    3,355.81x = 5,011.10 × 2,740.71
  4. Step 4: Simplify right side
    3,355.81x = 13,733,971.88
  5. Step 5: Solve for x
    x = 13,733,971.88/3,355.81
  6. Step 6: Final answer
    x = 4,092.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.