Home / 2,343.72-3,515.58-1,028.76

Finding the Fourth Proportional to 2,343.72, 3,515.58 and 1,028.76

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Solution

The fourth proportional to 2,343.72, 3,515.58 and 1,028.76 is: 1,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.72 : 3,515.58 = 1,028.76 : x
  2. Step 2: Convert to fraction form
    2,343.72/3,515.58 = 1,028.76/x
  3. Step 3: Cross multiply
    2,343.72x = 3,515.58 × 1,028.76
  4. Step 4: Simplify right side
    2,343.72x = 3,616,688.08
  5. Step 5: Solve for x
    x = 3,616,688.08/2,343.72
  6. Step 6: Final answer
    x = 1,543.14

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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.