Home / 2,257.26-3,117.46-1,550.96

Finding the Fourth Proportional to 2,257.26, 3,117.46 and 1,550.96

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Solution

The fourth proportional to 2,257.26, 3,117.46 and 1,550.96 is: 2,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.26 : 3,117.46 = 1,550.96 : x
  2. Step 2: Convert to fraction form
    2,257.26/3,117.46 = 1,550.96/x
  3. Step 3: Cross multiply
    2,257.26x = 3,117.46 × 1,550.96
  4. Step 4: Simplify right side
    2,257.26x = 4,835,055.76
  5. Step 5: Solve for x
    x = 4,835,055.76/2,257.26
  6. Step 6: Final answer
    x = 2,142.00

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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.