Home / 2,519.60-3,476.34-1,587.56

Finding the Fourth Proportional to 2,519.60, 3,476.34 and 1,587.56

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Solution

The fourth proportional to 2,519.60, 3,476.34 and 1,587.56 is: 2,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.60 : 3,476.34 = 1,587.56 : x
  2. Step 2: Convert to fraction form
    2,519.60/3,476.34 = 1,587.56/x
  3. Step 3: Cross multiply
    2,519.60x = 3,476.34 × 1,587.56
  4. Step 4: Simplify right side
    2,519.60x = 5,518,898.33
  5. Step 5: Solve for x
    x = 5,518,898.33/2,519.60
  6. Step 6: Final answer
    x = 2,190.39

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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.