Home / 2,526.82-3,790.80-1,274.29

Finding the Fourth Proportional to 2,526.82, 3,790.80 and 1,274.29

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Solution

The fourth proportional to 2,526.82, 3,790.80 and 1,274.29 is: 1,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.82 : 3,790.80 = 1,274.29 : x
  2. Step 2: Convert to fraction form
    2,526.82/3,790.80 = 1,274.29/x
  3. Step 3: Cross multiply
    2,526.82x = 3,790.80 × 1,274.29
  4. Step 4: Simplify right side
    2,526.82x = 4,830,578.53
  5. Step 5: Solve for x
    x = 4,830,578.53/2,526.82
  6. Step 6: Final answer
    x = 1,911.72

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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.