Home / 1,168.29-1,743.39-1,045.71

Finding the Fourth Proportional to 1,168.29, 1,743.39 and 1,045.71

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Solution

The fourth proportional to 1,168.29, 1,743.39 and 1,045.71 is: 1,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.29 : 1,743.39 = 1,045.71 : x
  2. Step 2: Convert to fraction form
    1,168.29/1,743.39 = 1,045.71/x
  3. Step 3: Cross multiply
    1,168.29x = 1,743.39 × 1,045.71
  4. Step 4: Simplify right side
    1,168.29x = 1,823,080.36
  5. Step 5: Solve for x
    x = 1,823,080.36/1,168.29
  6. Step 6: Final answer
    x = 1,560.47

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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.