Home / 1,244.69-1,718.40-1,106.29

Finding the Fourth Proportional to 1,244.69, 1,718.40 and 1,106.29

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Solution

The fourth proportional to 1,244.69, 1,718.40 and 1,106.29 is: 1,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.69 : 1,718.40 = 1,106.29 : x
  2. Step 2: Convert to fraction form
    1,244.69/1,718.40 = 1,106.29/x
  3. Step 3: Cross multiply
    1,244.69x = 1,718.40 × 1,106.29
  4. Step 4: Simplify right side
    1,244.69x = 1,901,044.44
  5. Step 5: Solve for x
    x = 1,901,044.44/1,244.69
  6. Step 6: Final answer
    x = 1,527.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.