Home / 3,236.35-4,466.65-1,978.13

Finding the Fourth Proportional to 3,236.35, 4,466.65 and 1,978.13

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Solution

The fourth proportional to 3,236.35, 4,466.65 and 1,978.13 is: 2,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.35 : 4,466.65 = 1,978.13 : x
  2. Step 2: Convert to fraction form
    3,236.35/4,466.65 = 1,978.13/x
  3. Step 3: Cross multiply
    3,236.35x = 4,466.65 × 1,978.13
  4. Step 4: Simplify right side
    3,236.35x = 8,835,614.36
  5. Step 5: Solve for x
    x = 8,835,614.36/3,236.35
  6. Step 6: Final answer
    x = 2,730.12

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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.