Home / 3,312.82-4,538.60-3,188.30

Finding the Fourth Proportional to 3,312.82, 4,538.60 and 3,188.30

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Solution

The fourth proportional to 3,312.82, 4,538.60 and 3,188.30 is: 4,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.82 : 4,538.60 = 3,188.30 : x
  2. Step 2: Convert to fraction form
    3,312.82/4,538.60 = 3,188.30/x
  3. Step 3: Cross multiply
    3,312.82x = 4,538.60 × 3,188.30
  4. Step 4: Simplify right side
    3,312.82x = 14,470,418.38
  5. Step 5: Solve for x
    x = 14,470,418.38/3,312.82
  6. Step 6: Final answer
    x = 4,368.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.