Home / 2,253.87-3,110.27-1,259.15

Finding the Fourth Proportional to 2,253.87, 3,110.27 and 1,259.15

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Solution

The fourth proportional to 2,253.87, 3,110.27 and 1,259.15 is: 1,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.87 : 3,110.27 = 1,259.15 : x
  2. Step 2: Convert to fraction form
    2,253.87/3,110.27 = 1,259.15/x
  3. Step 3: Cross multiply
    2,253.87x = 3,110.27 × 1,259.15
  4. Step 4: Simplify right side
    2,253.87x = 3,916,274.62
  5. Step 5: Solve for x
    x = 3,916,274.62/2,253.87
  6. Step 6: Final answer
    x = 1,737.58

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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.