Home / 2,526.50-3,784.80-1,290.26

Finding the Fourth Proportional to 2,526.50, 3,784.80 and 1,290.26

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Solution

The fourth proportional to 2,526.50, 3,784.80 and 1,290.26 is: 1,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.50 : 3,784.80 = 1,290.26 : x
  2. Step 2: Convert to fraction form
    2,526.50/3,784.80 = 1,290.26/x
  3. Step 3: Cross multiply
    2,526.50x = 3,784.80 × 1,290.26
  4. Step 4: Simplify right side
    2,526.50x = 4,883,376.05
  5. Step 5: Solve for x
    x = 4,883,376.05/2,526.50
  6. Step 6: Final answer
    x = 1,932.86

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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.