Home / 2,612.51-3,919.85-1,573.15

Finding the Fourth Proportional to 2,612.51, 3,919.85 and 1,573.15

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Solution

The fourth proportional to 2,612.51, 3,919.85 and 1,573.15 is: 2,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.51 : 3,919.85 = 1,573.15 : x
  2. Step 2: Convert to fraction form
    2,612.51/3,919.85 = 1,573.15/x
  3. Step 3: Cross multiply
    2,612.51x = 3,919.85 × 1,573.15
  4. Step 4: Simplify right side
    2,612.51x = 6,166,484.56
  5. Step 5: Solve for x
    x = 6,166,484.56/2,612.51
  6. Step 6: Final answer
    x = 2,360.37

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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.