Home / 3,611.40-5,417.10-2,056.20

Finding the Fourth Proportional to 3,611.40, 5,417.10 and 2,056.20

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Solution

The fourth proportional to 3,611.40, 5,417.10 and 2,056.20 is: 3,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.40 : 5,417.10 = 2,056.20 : x
  2. Step 2: Convert to fraction form
    3,611.40/5,417.10 = 2,056.20/x
  3. Step 3: Cross multiply
    3,611.40x = 5,417.10 × 2,056.20
  4. Step 4: Simplify right side
    3,611.40x = 11,138,641.02
  5. Step 5: Solve for x
    x = 11,138,641.02/3,611.40
  6. Step 6: Final answer
    x = 3,084.30

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1.5x scale

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.