Home / 3,740.34-5,162.72-2,621.58

Finding the Fourth Proportional to 3,740.34, 5,162.72 and 2,621.58

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Solution

The fourth proportional to 3,740.34, 5,162.72 and 2,621.58 is: 3,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.34 : 5,162.72 = 2,621.58 : x
  2. Step 2: Convert to fraction form
    3,740.34/5,162.72 = 2,621.58/x
  3. Step 3: Cross multiply
    3,740.34x = 5,162.72 × 2,621.58
  4. Step 4: Simplify right side
    3,740.34x = 13,534,457.68
  5. Step 5: Solve for x
    x = 13,534,457.68/3,740.34
  6. Step 6: Final answer
    x = 3,618.51

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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.