Home / 2,191.52-3,024.40-1,295.76

Finding the Fourth Proportional to 2,191.52, 3,024.40 and 1,295.76

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Solution

The fourth proportional to 2,191.52, 3,024.40 and 1,295.76 is: 1,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.52 : 3,024.40 = 1,295.76 : x
  2. Step 2: Convert to fraction form
    2,191.52/3,024.40 = 1,295.76/x
  3. Step 3: Cross multiply
    2,191.52x = 3,024.40 × 1,295.76
  4. Step 4: Simplify right side
    2,191.52x = 3,918,896.54
  5. Step 5: Solve for x
    x = 3,918,896.54/2,191.52
  6. Step 6: Final answer
    x = 1,788.21

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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.