Home / 1,708.08-2,561.71-1,160.11

Finding the Fourth Proportional to 1,708.08, 2,561.71 and 1,160.11

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Solution

The fourth proportional to 1,708.08, 2,561.71 and 1,160.11 is: 1,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.08 : 2,561.71 = 1,160.11 : x
  2. Step 2: Convert to fraction form
    1,708.08/2,561.71 = 1,160.11/x
  3. Step 3: Cross multiply
    1,708.08x = 2,561.71 × 1,160.11
  4. Step 4: Simplify right side
    1,708.08x = 2,971,865.39
  5. Step 5: Solve for x
    x = 2,971,865.39/1,708.08
  6. Step 6: Final answer
    x = 1,739.89

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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.