Home / 3,717.30-5,129.63-2,124.03

Finding the Fourth Proportional to 3,717.30, 5,129.63 and 2,124.03

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Solution

The fourth proportional to 3,717.30, 5,129.63 and 2,124.03 is: 2,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.30 : 5,129.63 = 2,124.03 : x
  2. Step 2: Convert to fraction form
    3,717.30/5,129.63 = 2,124.03/x
  3. Step 3: Cross multiply
    3,717.30x = 5,129.63 × 2,124.03
  4. Step 4: Simplify right side
    3,717.30x = 10,895,488.01
  5. Step 5: Solve for x
    x = 10,895,488.01/3,717.30
  6. Step 6: Final answer
    x = 2,931.02

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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.