Home / 1,508.45-2,261.49-1,015.40

Finding the Fourth Proportional to 1,508.45, 2,261.49 and 1,015.40

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Solution

The fourth proportional to 1,508.45, 2,261.49 and 1,015.40 is: 1,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.45 : 2,261.49 = 1,015.40 : x
  2. Step 2: Convert to fraction form
    1,508.45/2,261.49 = 1,015.40/x
  3. Step 3: Cross multiply
    1,508.45x = 2,261.49 × 1,015.40
  4. Step 4: Simplify right side
    1,508.45x = 2,296,316.95
  5. Step 5: Solve for x
    x = 2,296,316.95/1,508.45
  6. Step 6: Final answer
    x = 1,522.30

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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.