Home / 3,611.10-5,416.64-1,302.60

Finding the Fourth Proportional to 3,611.10, 5,416.64 and 1,302.60

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Solution

The fourth proportional to 3,611.10, 5,416.64 and 1,302.60 is: 1,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.10 : 5,416.64 = 1,302.60 : x
  2. Step 2: Convert to fraction form
    3,611.10/5,416.64 = 1,302.60/x
  3. Step 3: Cross multiply
    3,611.10x = 5,416.64 × 1,302.60
  4. Step 4: Simplify right side
    3,611.10x = 7,055,688.18
  5. Step 5: Solve for x
    x = 7,055,688.18/3,611.10
  6. Step 6: Final answer
    x = 1,953.89

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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.