Home / 2,191.83-3,024.70-1,197.11

Finding the Fourth Proportional to 2,191.83, 3,024.70 and 1,197.11

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Solution

The fourth proportional to 2,191.83, 3,024.70 and 1,197.11 is: 1,651.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.83 : 3,024.70 = 1,197.11 : x
  2. Step 2: Convert to fraction form
    2,191.83/3,024.70 = 1,197.11/x
  3. Step 3: Cross multiply
    2,191.83x = 3,024.70 × 1,197.11
  4. Step 4: Simplify right side
    2,191.83x = 3,620,877.51
  5. Step 5: Solve for x
    x = 3,620,877.51/2,191.83
  6. Step 6: Final answer
    x = 1,651.99

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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.