Home / 2,459.80-3,690.60-1,160.29

Finding the Fourth Proportional to 2,459.80, 3,690.60 and 1,160.29

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Solution

The fourth proportional to 2,459.80, 3,690.60 and 1,160.29 is: 1,740.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.80 : 3,690.60 = 1,160.29 : x
  2. Step 2: Convert to fraction form
    2,459.80/3,690.60 = 1,160.29/x
  3. Step 3: Cross multiply
    2,459.80x = 3,690.60 × 1,160.29
  4. Step 4: Simplify right side
    2,459.80x = 4,282,166.27
  5. Step 5: Solve for x
    x = 4,282,166.27/2,459.80
  6. Step 6: Final answer
    x = 1,740.86

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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.