Home / 2,623.30-3,931.35-2,137.30

Finding the Fourth Proportional to 2,623.30, 3,931.35 and 2,137.30

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Solution

The fourth proportional to 2,623.30, 3,931.35 and 2,137.30 is: 3,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.30 : 3,931.35 = 2,137.30 : x
  2. Step 2: Convert to fraction form
    2,623.30/3,931.35 = 2,137.30/x
  3. Step 3: Cross multiply
    2,623.30x = 3,931.35 × 2,137.30
  4. Step 4: Simplify right side
    2,623.30x = 8,402,474.36
  5. Step 5: Solve for x
    x = 8,402,474.36/2,623.30
  6. Step 6: Final answer
    x = 3,203.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.