Home / 3,384.16-4,668.72-2,125.04

Finding the Fourth Proportional to 3,384.16, 4,668.72 and 2,125.04

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Solution

The fourth proportional to 3,384.16, 4,668.72 and 2,125.04 is: 2,931.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.16 : 4,668.72 = 2,125.04 : x
  2. Step 2: Convert to fraction form
    3,384.16/4,668.72 = 2,125.04/x
  3. Step 3: Cross multiply
    3,384.16x = 4,668.72 × 2,125.04
  4. Step 4: Simplify right side
    3,384.16x = 9,921,216.75
  5. Step 5: Solve for x
    x = 9,921,216.75/3,384.16
  6. Step 6: Final answer
    x = 2,931.66

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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.