Home / 2,501.84-3,745.92-1,809.20

Finding the Fourth Proportional to 2,501.84, 3,745.92 and 1,809.20

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Solution

The fourth proportional to 2,501.84, 3,745.92 and 1,809.20 is: 2,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.84 : 3,745.92 = 1,809.20 : x
  2. Step 2: Convert to fraction form
    2,501.84/3,745.92 = 1,809.20/x
  3. Step 3: Cross multiply
    2,501.84x = 3,745.92 × 1,809.20
  4. Step 4: Simplify right side
    2,501.84x = 6,777,118.46
  5. Step 5: Solve for x
    x = 6,777,118.46/2,501.84
  6. Step 6: Final answer
    x = 2,708.85

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1.5x scale

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.