Home / 3,184.56-4,396.06-2,985.30

Finding the Fourth Proportional to 3,184.56, 4,396.06 and 2,985.30

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Solution

The fourth proportional to 3,184.56, 4,396.06 and 2,985.30 is: 4,121.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.56 : 4,396.06 = 2,985.30 : x
  2. Step 2: Convert to fraction form
    3,184.56/4,396.06 = 2,985.30/x
  3. Step 3: Cross multiply
    3,184.56x = 4,396.06 × 2,985.30
  4. Step 4: Simplify right side
    3,184.56x = 13,123,557.92
  5. Step 5: Solve for x
    x = 13,123,557.92/3,184.56
  6. Step 6: Final answer
    x = 4,121.00

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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.