Home / 2,623.20-3,619.11-1,488.75

Finding the Fourth Proportional to 2,623.20, 3,619.11 and 1,488.75

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Solution

The fourth proportional to 2,623.20, 3,619.11 and 1,488.75 is: 2,053.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.20 : 3,619.11 = 1,488.75 : x
  2. Step 2: Convert to fraction form
    2,623.20/3,619.11 = 1,488.75/x
  3. Step 3: Cross multiply
    2,623.20x = 3,619.11 × 1,488.75
  4. Step 4: Simplify right side
    2,623.20x = 5,387,950.01
  5. Step 5: Solve for x
    x = 5,387,950.01/2,623.20
  6. Step 6: Final answer
    x = 2,053.96

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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.