Home / 1,756.08-2,631.96-1,270.80

Finding the Fourth Proportional to 1,756.08, 2,631.96 and 1,270.80

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Solution

The fourth proportional to 1,756.08, 2,631.96 and 1,270.80 is: 1,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.08 : 2,631.96 = 1,270.80 : x
  2. Step 2: Convert to fraction form
    1,756.08/2,631.96 = 1,270.80/x
  3. Step 3: Cross multiply
    1,756.08x = 2,631.96 × 1,270.80
  4. Step 4: Simplify right side
    1,756.08x = 3,344,694.77
  5. Step 5: Solve for x
    x = 3,344,694.77/1,756.08
  6. Step 6: Final answer
    x = 1,904.64

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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.