Home / 2,666.49-4,000.58-1,107.24

Finding the Fourth Proportional to 2,666.49, 4,000.58 and 1,107.24

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Solution

The fourth proportional to 2,666.49, 4,000.58 and 1,107.24 is: 1,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.49 : 4,000.58 = 1,107.24 : x
  2. Step 2: Convert to fraction form
    2,666.49/4,000.58 = 1,107.24/x
  3. Step 3: Cross multiply
    2,666.49x = 4,000.58 × 1,107.24
  4. Step 4: Simplify right side
    2,666.49x = 4,429,602.20
  5. Step 5: Solve for x
    x = 4,429,602.20/2,666.49
  6. Step 6: Final answer
    x = 1,661.21

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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.