Home / 1,511.17-2,263.40-1,161.93

Finding the Fourth Proportional to 1,511.17, 2,263.40 and 1,161.93

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Solution

The fourth proportional to 1,511.17, 2,263.40 and 1,161.93 is: 1,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.17 : 2,263.40 = 1,161.93 : x
  2. Step 2: Convert to fraction form
    1,511.17/2,263.40 = 1,161.93/x
  3. Step 3: Cross multiply
    1,511.17x = 2,263.40 × 1,161.93
  4. Step 4: Simplify right side
    1,511.17x = 2,629,912.36
  5. Step 5: Solve for x
    x = 2,629,912.36/1,511.17
  6. Step 6: Final answer
    x = 1,740.32

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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.