Home / 2,325.09-3,484.67-1,089.78

Finding the Fourth Proportional to 2,325.09, 3,484.67 and 1,089.78

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Solution

The fourth proportional to 2,325.09, 3,484.67 and 1,089.78 is: 1,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.09 : 3,484.67 = 1,089.78 : x
  2. Step 2: Convert to fraction form
    2,325.09/3,484.67 = 1,089.78/x
  3. Step 3: Cross multiply
    2,325.09x = 3,484.67 × 1,089.78
  4. Step 4: Simplify right side
    2,325.09x = 3,797,534.97
  5. Step 5: Solve for x
    x = 3,797,534.97/2,325.09
  6. Step 6: Final answer
    x = 1,633.28

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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.