Home / 2,913.56-4,369.66-1,157.81

Finding the Fourth Proportional to 2,913.56, 4,369.66 and 1,157.81

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Solution

The fourth proportional to 2,913.56, 4,369.66 and 1,157.81 is: 1,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.56 : 4,369.66 = 1,157.81 : x
  2. Step 2: Convert to fraction form
    2,913.56/4,369.66 = 1,157.81/x
  3. Step 3: Cross multiply
    2,913.56x = 4,369.66 × 1,157.81
  4. Step 4: Simplify right side
    2,913.56x = 5,059,244.07
  5. Step 5: Solve for x
    x = 5,059,244.07/2,913.56
  6. Step 6: Final answer
    x = 1,736.45

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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.