Home / 2,740.10-4,107.70-1,008.32

Finding the Fourth Proportional to 2,740.10, 4,107.70 and 1,008.32

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Solution

The fourth proportional to 2,740.10, 4,107.70 and 1,008.32 is: 1,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.10 : 4,107.70 = 1,008.32 : x
  2. Step 2: Convert to fraction form
    2,740.10/4,107.70 = 1,008.32/x
  3. Step 3: Cross multiply
    2,740.10x = 4,107.70 × 1,008.32
  4. Step 4: Simplify right side
    2,740.10x = 4,141,876.06
  5. Step 5: Solve for x
    x = 4,141,876.06/2,740.10
  6. Step 6: Final answer
    x = 1,511.58

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1.5x scale

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.