Home / 1,503.21-2,250.70-1,015.29

Finding the Fourth Proportional to 1,503.21, 2,250.70 and 1,015.29

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Solution

The fourth proportional to 1,503.21, 2,250.70 and 1,015.29 is: 1,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.21 : 2,250.70 = 1,015.29 : x
  2. Step 2: Convert to fraction form
    1,503.21/2,250.70 = 1,015.29/x
  3. Step 3: Cross multiply
    1,503.21x = 2,250.70 × 1,015.29
  4. Step 4: Simplify right side
    1,503.21x = 2,285,113.20
  5. Step 5: Solve for x
    x = 2,285,113.20/1,503.21
  6. Step 6: Final answer
    x = 1,520.16

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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.