Home / 1,717.55-2,370.03-961.37

Finding the Fourth Proportional to 1,717.55, 2,370.03 and 961.37

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Solution

The fourth proportional to 1,717.55, 2,370.03 and 961.37 is: 1,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.55 : 2,370.03 = 961.37 : x
  2. Step 2: Convert to fraction form
    1,717.55/2,370.03 = 961.37/x
  3. Step 3: Cross multiply
    1,717.55x = 2,370.03 × 961.37
  4. Step 4: Simplify right side
    1,717.55x = 2,278,477.28
  5. Step 5: Solve for x
    x = 2,278,477.28/1,717.55
  6. Step 6: Final answer
    x = 1,326.58

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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.