Home / 1,707.10-2,561.64-1,122.82

Finding the Fourth Proportional to 1,707.10, 2,561.64 and 1,122.82

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Solution

The fourth proportional to 1,707.10, 2,561.64 and 1,122.82 is: 1,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.10 : 2,561.64 = 1,122.82 : x
  2. Step 2: Convert to fraction form
    1,707.10/2,561.64 = 1,122.82/x
  3. Step 3: Cross multiply
    1,707.10x = 2,561.64 × 1,122.82
  4. Step 4: Simplify right side
    1,707.10x = 2,876,260.62
  5. Step 5: Solve for x
    x = 2,876,260.62/1,707.10
  6. Step 6: Final answer
    x = 1,684.88

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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.