Home / 2,199.48-3,034.80-1,315.14

Finding the Fourth Proportional to 2,199.48, 3,034.80 and 1,315.14

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Solution

The fourth proportional to 2,199.48, 3,034.80 and 1,315.14 is: 1,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.48 : 3,034.80 = 1,315.14 : x
  2. Step 2: Convert to fraction form
    2,199.48/3,034.80 = 1,315.14/x
  3. Step 3: Cross multiply
    2,199.48x = 3,034.80 × 1,315.14
  4. Step 4: Simplify right side
    2,199.48x = 3,991,186.87
  5. Step 5: Solve for x
    x = 3,991,186.87/2,199.48
  6. Step 6: Final answer
    x = 1,814.60

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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.