Home / 1,651.17-2,481.89-1,038.81

Finding the Fourth Proportional to 1,651.17, 2,481.89 and 1,038.81

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Solution

The fourth proportional to 1,651.17, 2,481.89 and 1,038.81 is: 1,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.17 : 2,481.89 = 1,038.81 : x
  2. Step 2: Convert to fraction form
    1,651.17/2,481.89 = 1,038.81/x
  3. Step 3: Cross multiply
    1,651.17x = 2,481.89 × 1,038.81
  4. Step 4: Simplify right side
    1,651.17x = 2,578,206.96
  5. Step 5: Solve for x
    x = 2,578,206.96/1,651.17
  6. Step 6: Final answer
    x = 1,561.44

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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.