Home / 1,504.40-2,250.66-1,155.09

Finding the Fourth Proportional to 1,504.40, 2,250.66 and 1,155.09

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Solution

The fourth proportional to 1,504.40, 2,250.66 and 1,155.09 is: 1,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.40 : 2,250.66 = 1,155.09 : x
  2. Step 2: Convert to fraction form
    1,504.40/2,250.66 = 1,155.09/x
  3. Step 3: Cross multiply
    1,504.40x = 2,250.66 × 1,155.09
  4. Step 4: Simplify right side
    1,504.40x = 2,599,714.86
  5. Step 5: Solve for x
    x = 2,599,714.86/1,504.40
  6. Step 6: Final answer
    x = 1,728.07

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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.