Home / 2,519.52-3,473.76-1,987.44

Finding the Fourth Proportional to 2,519.52, 3,473.76 and 1,987.44

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Solution

The fourth proportional to 2,519.52, 3,473.76 and 1,987.44 is: 2,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.52 : 3,473.76 = 1,987.44 : x
  2. Step 2: Convert to fraction form
    2,519.52/3,473.76 = 1,987.44/x
  3. Step 3: Cross multiply
    2,519.52x = 3,473.76 × 1,987.44
  4. Step 4: Simplify right side
    2,519.52x = 6,903,889.57
  5. Step 5: Solve for x
    x = 6,903,889.57/2,519.52
  6. Step 6: Final answer
    x = 2,740.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.