Home / 2,267.77-3,129.51-1,273.06

Finding the Fourth Proportional to 2,267.77, 3,129.51 and 1,273.06

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Solution

The fourth proportional to 2,267.77, 3,129.51 and 1,273.06 is: 1,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.77 : 3,129.51 = 1,273.06 : x
  2. Step 2: Convert to fraction form
    2,267.77/3,129.51 = 1,273.06/x
  3. Step 3: Cross multiply
    2,267.77x = 3,129.51 × 1,273.06
  4. Step 4: Simplify right side
    2,267.77x = 3,984,054.00
  5. Step 5: Solve for x
    x = 3,984,054.00/2,267.77
  6. Step 6: Final answer
    x = 1,756.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.