Home / 1,492.25-2,238.28-452.23

Finding the Fourth Proportional to 1,492.25, 2,238.28 and 452.23

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Solution

The fourth proportional to 1,492.25, 2,238.28 and 452.23 is: 678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.25 : 2,238.28 = 452.23 : x
  2. Step 2: Convert to fraction form
    1,492.25/2,238.28 = 452.23/x
  3. Step 3: Cross multiply
    1,492.25x = 2,238.28 × 452.23
  4. Step 4: Simplify right side
    1,492.25x = 1,012,210.64
  5. Step 5: Solve for x
    x = 1,012,210.64/1,492.25
  6. Step 6: Final answer
    x = 678.31

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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.