Home / 2,191.84-3,024.78-1,197.12

Finding the Fourth Proportional to 2,191.84, 3,024.78 and 1,197.12

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Solution

The fourth proportional to 2,191.84, 3,024.78 and 1,197.12 is: 1,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.84 : 3,024.78 = 1,197.12 : x
  2. Step 2: Convert to fraction form
    2,191.84/3,024.78 = 1,197.12/x
  3. Step 3: Cross multiply
    2,191.84x = 3,024.78 × 1,197.12
  4. Step 4: Simplify right side
    2,191.84x = 3,621,024.63
  5. Step 5: Solve for x
    x = 3,621,024.63/2,191.84
  6. Step 6: Final answer
    x = 1,652.05

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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.