Home / 1,244.34-1,859.99-1,218.42

Finding the Fourth Proportional to 1,244.34, 1,859.99 and 1,218.42

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Solution

The fourth proportional to 1,244.34, 1,859.99 and 1,218.42 is: 1,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.34 : 1,859.99 = 1,218.42 : x
  2. Step 2: Convert to fraction form
    1,244.34/1,859.99 = 1,218.42/x
  3. Step 3: Cross multiply
    1,244.34x = 1,859.99 × 1,218.42
  4. Step 4: Simplify right side
    1,244.34x = 2,266,242.92
  5. Step 5: Solve for x
    x = 2,266,242.92/1,244.34
  6. Step 6: Final answer
    x = 1,821.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.