Home / 1,511.62-2,263.56-1,373.11

Finding the Fourth Proportional to 1,511.62, 2,263.56 and 1,373.11

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Solution

The fourth proportional to 1,511.62, 2,263.56 and 1,373.11 is: 2,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.62 : 2,263.56 = 1,373.11 : x
  2. Step 2: Convert to fraction form
    1,511.62/2,263.56 = 1,373.11/x
  3. Step 3: Cross multiply
    1,511.62x = 2,263.56 × 1,373.11
  4. Step 4: Simplify right side
    1,511.62x = 3,108,116.87
  5. Step 5: Solve for x
    x = 3,108,116.87/1,511.62
  6. Step 6: Final answer
    x = 2,056.15

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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.