Home / 2,624.90-3,623.01-1,729.85

Finding the Fourth Proportional to 2,624.90, 3,623.01 and 1,729.85

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Solution

The fourth proportional to 2,624.90, 3,623.01 and 1,729.85 is: 2,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.90 : 3,623.01 = 1,729.85 : x
  2. Step 2: Convert to fraction form
    2,624.90/3,623.01 = 1,729.85/x
  3. Step 3: Cross multiply
    2,624.90x = 3,623.01 × 1,729.85
  4. Step 4: Simplify right side
    2,624.90x = 6,267,263.85
  5. Step 5: Solve for x
    x = 6,267,263.85/2,624.90
  6. Step 6: Final answer
    x = 2,387.62

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1.5x scale

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.