Home / 1,556.40-2,334.60-1,519.95

Finding the Fourth Proportional to 1,556.40, 2,334.60 and 1,519.95

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Solution

The fourth proportional to 1,556.40, 2,334.60 and 1,519.95 is: 2,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.40 : 2,334.60 = 1,519.95 : x
  2. Step 2: Convert to fraction form
    1,556.40/2,334.60 = 1,519.95/x
  3. Step 3: Cross multiply
    1,556.40x = 2,334.60 × 1,519.95
  4. Step 4: Simplify right side
    1,556.40x = 3,548,475.27
  5. Step 5: Solve for x
    x = 3,548,475.27/1,556.40
  6. Step 6: Final answer
    x = 2,279.93

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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.