Home / 2,913-4,369.53-1,617.20

Finding the Fourth Proportional to 2,913, 4,369.53 and 1,617.20

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Solution

The fourth proportional to 2,913, 4,369.53 and 1,617.20 is: 2,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913 : 4,369.53 = 1,617.20 : x
  2. Step 2: Convert to fraction form
    2,913/4,369.53 = 1,617.20/x
  3. Step 3: Cross multiply
    2,913x = 4,369.53 × 1,617.20
  4. Step 4: Simplify right side
    2,913x = 7,066,382.07
  5. Step 5: Solve for x
    x = 7,066,382.07/2,913
  6. Step 6: Final answer
    x = 2,425.81

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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.