Home / 1,210.27-1,674.26-1,166.53

Finding the Fourth Proportional to 1,210.27, 1,674.26 and 1,166.53

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Solution

The fourth proportional to 1,210.27, 1,674.26 and 1,166.53 is: 1,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210.27 : 1,674.26 = 1,166.53 : x
  2. Step 2: Convert to fraction form
    1,210.27/1,674.26 = 1,166.53/x
  3. Step 3: Cross multiply
    1,210.27x = 1,674.26 × 1,166.53
  4. Step 4: Simplify right side
    1,210.27x = 1,953,074.52
  5. Step 5: Solve for x
    x = 1,953,074.52/1,210.27
  6. Step 6: Final answer
    x = 1,613.75

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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.