Home / 3,709.46-5,110.45-2,574.05

Finding the Fourth Proportional to 3,709.46, 5,110.45 and 2,574.05

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Solution

The fourth proportional to 3,709.46, 5,110.45 and 2,574.05 is: 3,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.46 : 5,110.45 = 2,574.05 : x
  2. Step 2: Convert to fraction form
    3,709.46/5,110.45 = 2,574.05/x
  3. Step 3: Cross multiply
    3,709.46x = 5,110.45 × 2,574.05
  4. Step 4: Simplify right side
    3,709.46x = 13,154,521.84
  5. Step 5: Solve for x
    x = 13,154,521.84/3,709.46
  6. Step 6: Final answer
    x = 3,546.21

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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.