Home / 3,384.55-4,670.49-2,125.81

Finding the Fourth Proportional to 3,384.55, 4,670.49 and 2,125.81

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Solution

The fourth proportional to 3,384.55, 4,670.49 and 2,125.81 is: 2,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.55 : 4,670.49 = 2,125.81 : x
  2. Step 2: Convert to fraction form
    3,384.55/4,670.49 = 2,125.81/x
  3. Step 3: Cross multiply
    3,384.55x = 4,670.49 × 2,125.81
  4. Step 4: Simplify right side
    3,384.55x = 9,928,574.35
  5. Step 5: Solve for x
    x = 9,928,574.35/3,384.55
  6. Step 6: Final answer
    x = 2,933.50

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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.