Home / 1,740.06-2,610.36-918.18

Finding the Fourth Proportional to 1,740.06, 2,610.36 and 918.18

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Solution

The fourth proportional to 1,740.06, 2,610.36 and 918.18 is: 1,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.06 : 2,610.36 = 918.18 : x
  2. Step 2: Convert to fraction form
    1,740.06/2,610.36 = 918.18/x
  3. Step 3: Cross multiply
    1,740.06x = 2,610.36 × 918.18
  4. Step 4: Simplify right side
    1,740.06x = 2,396,780.34
  5. Step 5: Solve for x
    x = 2,396,780.34/1,740.06
  6. Step 6: Final answer
    x = 1,377.41

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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.