Home / 1,611.48-2,417.22-1,380.03

Finding the Fourth Proportional to 1,611.48, 2,417.22 and 1,380.03

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Solution

The fourth proportional to 1,611.48, 2,417.22 and 1,380.03 is: 2,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.48 : 2,417.22 = 1,380.03 : x
  2. Step 2: Convert to fraction form
    1,611.48/2,417.22 = 1,380.03/x
  3. Step 3: Cross multiply
    1,611.48x = 2,417.22 × 1,380.03
  4. Step 4: Simplify right side
    1,611.48x = 3,335,836.12
  5. Step 5: Solve for x
    x = 3,335,836.12/1,611.48
  6. Step 6: Final answer
    x = 2,070.05

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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.