Home / 1,515.90-2,076.74-1,460.54

Finding the Fourth Proportional to 1,515.90, 2,076.74 and 1,460.54

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Solution

The fourth proportional to 1,515.90, 2,076.74 and 1,460.54 is: 2,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.90 : 2,076.74 = 1,460.54 : x
  2. Step 2: Convert to fraction form
    1,515.90/2,076.74 = 1,460.54/x
  3. Step 3: Cross multiply
    1,515.90x = 2,076.74 × 1,460.54
  4. Step 4: Simplify right side
    1,515.90x = 3,033,161.84
  5. Step 5: Solve for x
    x = 3,033,161.84/1,515.90
  6. Step 6: Final answer
    x = 2,000.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.