Home / 3,611.50-4,985.10-2,214.26

Finding the Fourth Proportional to 3,611.50, 4,985.10 and 2,214.26

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Solution

The fourth proportional to 3,611.50, 4,985.10 and 2,214.26 is: 3,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.50 : 4,985.10 = 2,214.26 : x
  2. Step 2: Convert to fraction form
    3,611.50/4,985.10 = 2,214.26/x
  3. Step 3: Cross multiply
    3,611.50x = 4,985.10 × 2,214.26
  4. Step 4: Simplify right side
    3,611.50x = 11,038,307.53
  5. Step 5: Solve for x
    x = 11,038,307.53/3,611.50
  6. Step 6: Final answer
    x = 3,056.43

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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.