Home / 1,344.62-2,021.56-1,243.15

Finding the Fourth Proportional to 1,344.62, 2,021.56 and 1,243.15

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Solution

The fourth proportional to 1,344.62, 2,021.56 and 1,243.15 is: 1,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.62 : 2,021.56 = 1,243.15 : x
  2. Step 2: Convert to fraction form
    1,344.62/2,021.56 = 1,243.15/x
  3. Step 3: Cross multiply
    1,344.62x = 2,021.56 × 1,243.15
  4. Step 4: Simplify right side
    1,344.62x = 2,513,094.15
  5. Step 5: Solve for x
    x = 2,513,094.15/1,344.62
  6. Step 6: Final answer
    x = 1,869.00

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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.