Home / 3,611.40-4,953.45-3,465.60

Finding the Fourth Proportional to 3,611.40, 4,953.45 and 3,465.60

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Solution

The fourth proportional to 3,611.40, 4,953.45 and 3,465.60 is: 4,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.40 : 4,953.45 = 3,465.60 : x
  2. Step 2: Convert to fraction form
    3,611.40/4,953.45 = 3,465.60/x
  3. Step 3: Cross multiply
    3,611.40x = 4,953.45 × 3,465.60
  4. Step 4: Simplify right side
    3,611.40x = 17,166,676.32
  5. Step 5: Solve for x
    x = 17,166,676.32/3,611.40
  6. Step 6: Final answer
    x = 4,753.47

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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.