Home / 1,274.04-1,911.13-452.03

Finding the Fourth Proportional to 1,274.04, 1,911.13 and 452.03

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Solution

The fourth proportional to 1,274.04, 1,911.13 and 452.03 is: 678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274.04 : 1,911.13 = 452.03 : x
  2. Step 2: Convert to fraction form
    1,274.04/1,911.13 = 452.03/x
  3. Step 3: Cross multiply
    1,274.04x = 1,911.13 × 452.03
  4. Step 4: Simplify right side
    1,274.04x = 863,877.41
  5. Step 5: Solve for x
    x = 863,877.41/1,274.04
  6. Step 6: Final answer
    x = 678.06

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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.