Home / 2,611.32-3,898.02-2,418.60

Finding the Fourth Proportional to 2,611.32, 3,898.02 and 2,418.60

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Solution

The fourth proportional to 2,611.32, 3,898.02 and 2,418.60 is: 3,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.32 : 3,898.02 = 2,418.60 : x
  2. Step 2: Convert to fraction form
    2,611.32/3,898.02 = 2,418.60/x
  3. Step 3: Cross multiply
    2,611.32x = 3,898.02 × 2,418.60
  4. Step 4: Simplify right side
    2,611.32x = 9,427,751.17
  5. Step 5: Solve for x
    x = 9,427,751.17/2,611.32
  6. Step 6: Final answer
    x = 3,610.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.