Home / 2,191.95-3,024.93-1,197.31

Finding the Fourth Proportional to 2,191.95, 3,024.93 and 1,197.31

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Solution

The fourth proportional to 2,191.95, 3,024.93 and 1,197.31 is: 1,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.95 : 3,024.93 = 1,197.31 : x
  2. Step 2: Convert to fraction form
    2,191.95/3,024.93 = 1,197.31/x
  3. Step 3: Cross multiply
    2,191.95x = 3,024.93 × 1,197.31
  4. Step 4: Simplify right side
    2,191.95x = 3,621,772.95
  5. Step 5: Solve for x
    x = 3,621,772.95/2,191.95
  6. Step 6: Final answer
    x = 1,652.31

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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.