Home / 1,492.40-2,240.52-1,168.88

Finding the Fourth Proportional to 1,492.40, 2,240.52 and 1,168.88

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Solution

The fourth proportional to 1,492.40, 2,240.52 and 1,168.88 is: 1,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.40 : 2,240.52 = 1,168.88 : x
  2. Step 2: Convert to fraction form
    1,492.40/2,240.52 = 1,168.88/x
  3. Step 3: Cross multiply
    1,492.40x = 2,240.52 × 1,168.88
  4. Step 4: Simplify right side
    1,492.40x = 2,618,899.02
  5. Step 5: Solve for x
    x = 2,618,899.02/1,492.40
  6. Step 6: Final answer
    x = 1,754.82

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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.