Home / 1,664.80-2,492.28-1,233.88

Finding the Fourth Proportional to 1,664.80, 2,492.28 and 1,233.88

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Solution

The fourth proportional to 1,664.80, 2,492.28 and 1,233.88 is: 1,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.80 : 2,492.28 = 1,233.88 : x
  2. Step 2: Convert to fraction form
    1,664.80/2,492.28 = 1,233.88/x
  3. Step 3: Cross multiply
    1,664.80x = 2,492.28 × 1,233.88
  4. Step 4: Simplify right side
    1,664.80x = 3,075,174.45
  5. Step 5: Solve for x
    x = 3,075,174.45/1,664.80
  6. Step 6: Final answer
    x = 1,847.17

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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.