Home / 3,035.82-4,188.20-1,916.74

Finding the Fourth Proportional to 3,035.82, 4,188.20 and 1,916.74

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Solution

The fourth proportional to 3,035.82, 4,188.20 and 1,916.74 is: 2,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.82 : 4,188.20 = 1,916.74 : x
  2. Step 2: Convert to fraction form
    3,035.82/4,188.20 = 1,916.74/x
  3. Step 3: Cross multiply
    3,035.82x = 4,188.20 × 1,916.74
  4. Step 4: Simplify right side
    3,035.82x = 8,027,670.41
  5. Step 5: Solve for x
    x = 8,027,670.41/3,035.82
  6. Step 6: Final answer
    x = 2,644.32

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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.